| Steve Martin | ... | Himself - Host | |
| rest of cast listed alphabetically: | |||
| Ben Affleck | ... | Himself - Presenter: Best Original Screenplay | |
| John Agar | ... | Himself (Memorial Tribute) (archive footage) | |
| Wayne Allwine | ... | Mickey Mouse, co-presenting Animated Short Award (voice) | |
| Agustín Almodóvar | ... | Himself - Audience Member | |
| Pedro Almodóvar | ... | Himself - Winner: Best Original Screenplay / Nominee: Best Director | |
| Mie Andreasen | ... | Herself - Winner: Best Live Action Short | |
| Julie Andrews | ... | Herself - Presenter: Past Oscar Night Music Highlights / Past Winner | |
| Royce D. Applegate | ... | Himself (Memorial Tribute) (archive footage) | |
| Eric Armstrong | ... | Himself - Winner: Best Animated Short | |
| Colleen Atwood | ... | Herself - Winner: Best Costume Design | |
| Anne Bancroft | ... | Annie Sullivan (archive footage) | |
| Kathy Bates | ... | Herself - Nominee: Best Actress in a Supporting Role / Presenter: Past Winner Recollections / Past Winner | |
| Philippe Bergeron | ... | French interpreter | |
| Milton Berle | ... | Himself - In Memorium Tribute (archive footage) | |
| Halle Berry | ... | Herself - Presenter: Best Actor in a Leading Role / Past Winner | |
| Margaret Booth | ... | Herself - (Memorial Tribute) (archive footage) | |
| Ernest Borgnine | ... | Himself - Past Winner | |
| Eddie Bracken | ... | Himself (Memorial Tribute) (archive footage) | |
| Jack Brodsky | ... | Himself - (Memorial Tribute) (archive footage) | |
| Adrien Brody | ... | Himself - Winner: Best Actor in a Leading Role | |
| Josh Brolin | ... | Himself - Audience Member | |
| Horst Buchholz | ... | Himself - (Memorial Tribute) (archive footage) | |
| Red Buttons | ... | Himself - Past Winner | |
| Nicolas Cage | ... | Himself - Nominee: Best Actor in a Leading Role / Past Winner | |
| Michael Caine | ... | Himself - Nominee: Best Actor in a Leading Role / Past Winner | |
| George Chakiris | ... | Himself - Past Winner | |
| Rosemary Clooney | ... | Herself (Memorial Tribute) | |
| James Coburn | ... | Himself (Memorial Tribute) | |
| Jennifer Connelly | ... | Herself - Presenter: Best Actor in a Supporting Role / Past Winner | |
| Sean Connery | ... | Himself - Presenter: Best Actress in a Supporting Role / Past Winner | |
| Randall William Cook | ... | Himself - Winner: Best Visual Effects | |
| Chris Cooper | ... | Himself - Winner: Best Actor in a Supporting Role | |
| Richard Crenna | ... | Himself (Memorial Tribute) | |
| Stephen Daldry | ... | Himself - Nominee: Best Director | |
| Geena Davis | ... | Herself - Presenter: Best Film Editing / Past Winner | |
| Daniel Day-Lewis | ... | Himself - Nominee: Best Actor in a Leading Role / Past Winner | |
| Beatrice De Alba | ... | Herself - Winner: Best Makeup | |
| Olivia de Havilland | ... | Herself - Presenter: Oscar Tribute Sequence / Past Winner | |
| Brad Dexter | ... | Himself (Memorial Tribute) (archive footage) | |
| Cameron Diaz | ... | Herself - Presenter: Best Animated Feature | |
| Michael Donovan | ... | Himself - Winner: Best Documentary | |
| Kirk Douglas | ... | Himself - Co-Presenter: Best Picture / Past Winner | |
| Michael Douglas | ... | Himself - Co-presenter: Best Picture / Past Winner | |
| Lila Downs | ... | Herself - Performer | |
| Robert Duvall | ... | Himself - Past Winner | |
| Colin Farrell | ... | Himself - Presenter: Song 'The Hands That Built America' | |
| Louise Fletcher | ... | Herself - Past Winner | |
| Harrison Ford | ... | Himself - Presenter: Best Director | |
| John Frankenheimer | ... | Himself (Memorial Tribute) (archive footage) | |
| Brendan Fraser | ... | Himself - Presenter: Film clip from 'The Lord of the Rings: The Two Towers' | |
| Brenda Fricker | ... | Herself - Past Winner | |
| Alex Funke | ... | Himself - Winner: Best Visual Effects | |
| Gael García Bernal | ... | Himself - Presenter: Song 'Burn It Blue' | |
| Jennifer Garner | ... | Herself - Presenter: Best Animated Short Film and Best Short Film | |
| Richard Gere | ... | Himself - Presenter: 'Chicago' Film Clip | |
| Elliot Goldenthal | ... | Himself - Winner: Best Original Score | |
| Cuba Gooding Jr. | ... | Himself - Past Winner | |
| Louis Gossett Jr. | ... | Himself - Past Winner | |
| Adolph Green | ... | Himself - (Memorial Tribute) (archive footage) | |
| Joel Grey | ... | Himself - Past Winner | |
| Charles Guggenheim | ... | Himself - (Memorial Tribute) (archive footage) | |
| Bill Guttentag | ... | Himself - Winner: Best Documentary Short | |
| Conrad L. Hall | ... | Himself (Memorial Tribute) | |
| Conrad W. Hall | ... | Himself - accepting Cinematography Award for his late father Conrad L. Hall | |
| Tom Hanks | ... | Himself - Past Winner | |
| Marcia Gay Harden | ... | Herself - Presenter: Best Adapted Screenplay / Past Winner | |
| Ed Harris | ... | Himself - Nominee: Best Actor in a Supporting Role | |
| Richard Harris | ... | Himself (Memorial Tribute) (archive footage) | |
| Ronald Harwood | ... | Himself - Winner: Best Adapted Screenplay | |
| Signe Hasso | ... | Herself - (Memorial Tribute) (archive footage) | |
| Salma Hayek | ... | Herself - Nominee: Best Actress in a Leading Role / Presenter: Best Foreign Language Film | |
| George Roy Hill | ... | Himself (Memorial Tribute) | |
| Dustin Hoffman | ... | Himself - Presenter: Film clip from 'The Pianist' / Past Winner | |
| Celeste Holm | ... | Herself - Past Winner | |
| Mike Hopkins | ... | Himself - Winner: Best Sound Editing | |
| Kate Hudson | ... | Herself - Host: Technical Awards Banquet | |
| Holly Hunter | ... | Herself - recalling her award (pre-recorded) | |
| Kim Hunter | ... | Herself (Memorial Tribute) (archive footage) | |
| Anjelica Huston | ... | Herself - Past Winner | |
| John E. Jackson | ... | Himself - Winner: Best Makeup | |
| Claude Jarman Jr. | ... | Himself - Past Winner | |
| Jennifer Jones | ... | Herself - Past Winner | |
| Shirley Jones | ... | Herself - Past Winner | |
| Katy Jurado | ... | Herself (Memorial Tribute) (archive footage) | |
| George Kennedy | ... | Himself - Past Winner | |
| Nicole Kidman | ... | Herself - Winner: Best Actress in a Leading Role | |
| Ward Kimball | ... | Himself (Memorial Tribute) (archive footage) | |
| Ben Kingsley | ... | Himself - Past Winner | |
| Martin Landau | ... | Himself - Past Winner | |
| Diane Lane | ... | Herself - Nominee: Best Actress in a Leading Role / Presenter: Best Documentary Feature | |
| Queen Latifah | ... | Herself - Nominee: Best Actress in a Supporting Role & Performer | |
| Cloris Leachman | ... | Herself - Past Winner | |
| David Lee | ... | Himself - Winner: Best Sound | |
| J. Lee Thompson | ... | Himself - (Memorial Tribute) (archive footage) | |
| Joe Letteri | ... | Himself - Winner: Best Visual Effects | |
| Jennifer Lopez | ... | Herself - Presenter: Best Art Direction | |
| Karl Malden | ... | Himself - Past Winner | |
| Rob Marshall | ... | Himself - Nominee: Best Director | |
| Marlee Matlin | ... | Herself - Past Winner | |
| Matthew McConaughey | ... | Himself - Presenter: Film clip from 'Gangs of New York' | |
| Leo McKern | ... | Himself - (Memorial Tribute) (archive footage) | |
| Hayley Mills | ... | Herself - Past Winner | |
| Michael Minkler | ... | Himself - Winner: Best Sound | |
| Marvin Mirisch | ... | Himself - (Memorial Tribute) (archive footage) | |
| Dudley Moore | ... | Himself (Memorial Tribute) | |
| Julianne Moore | ... | Herself - Nominee: Best Actress in a Leading Role, Best Actress in a Supporting Role / Presenter: Best Sound, Best Sound Editing | |
| Michael Moore | ... | Himself - Winner: Best Documentary Feature | |
| Rita Moreno | ... | Herself - Past Winner | |
| John Myhre | ... | Himself - Winner: Best Art Direction | |
| Patricia Neal | ... | Herself - Past Winner | |
| Jack Nicholson | ... | Himself - Nominee: Best Actor in a Leading Role / Past Winner | |
| Margaret O'Brien | ... | Herself - Past Winner | |
| Tatum O'Neal | ... | Herself - Past Winner | |
| Peter O'Toole | ... | Himself - Honorary Award Recipient (also archive footage) | |
| Jack Palance | ... | Himself - Past Winner | |
| Norman Panama | ... | Himself - (Memorial Tribute) (archive footage) | |
| Frank Pierson | ... | Himself - Academy President | |
| Robert David Port | ... | Himself - Winner: Best Documentary Short | |
| Luise Rainer | ... | Herself - Past Winner | |
| Keanu Reeves | ... | Himself - Presenter: Best Visual Effects | |
| John C. Reilly | ... | Himself - Nominee: Best Actor in a Supporting Role | |
| Luis Resto | ... | Himself - Winner: Best Original Song | |
| Martin Richards | ... | Himself - Winner: Best Picture | |
| Julia Roberts | ... | Herself - Presenter: Best Cinematography / Past Winner | |
| Cliff Robertson | ... | Himself - Past Winner | |
| Mickey Rooney | ... | Himself - Past Winner | |
| Kay Rose | ... | Herself - (Memorial Tribute) (archive footage) | |
| Neil Ross | ... | Himself - Announcer | |
| Jim Rygiel | ... | Himself - Winner: Best Visual Effects | |
| Eva Marie Saint | ... | Herself - Past Winner | |
| Susan Sarandon | ... | Herself - Presenter: Memorial segment / Past Winner | |
| Walter Scharf | ... | Himself - (Memorial Tribute) (archive footage) | |
| Maximilian Schell | ... | Himself - Past Winner | |
| Martin Scorsese | ... | Himself - Nominee: Best Director | |
| Mildred Shay | ... | Herself | |
| George Sidney | ... | Himself - (Memorial Tribute) (archive footage) | |
| Gordon Sim | ... | Himself - Winner: Best Art Direction | |
| Paul Simon | ... | Himself - Performer | |
| Alberto Sordi | ... | Himself - (Memorial Tribute) (archive footage) | |
| Mira Sorvino | ... | Herself - Presenter: Best Costume Design / Past Winner | |
| Sissy Spacek | ... | Herself - Past Winner | |
| Mary Steenburgen | ... | Herself - Past Winner | |
| Rod Steiger | ... | Himself (Memorial Tribute) | |
| Martin Strange-Hansen | ... | Himself - Winner: Best Short Film, Live Action | |
| Meryl Streep | ... | Herself - Nominee: Best Actress in a Supporting Role / Presenter: Honorary Award to Peter O'Toole / Past Winner | |
| Barbra Streisand | ... | Herself - Presenter: Best Original Song / Past Winner | |
| Hilary Swank | ... | Herself - Presenter: Film clip from 'The Hours' / Past Winner | |
| Richard Sylbert | ... | Himself - (Memorial Tribute) (archive footage) | |
| Daniel Taradash | ... | Himself - (Memorial Tribute) (archive footage) | |
| Dominick Tavella | ... | Himself - Winner: Best Sound | |
| Julie Taymor | ... | Herself - Nominee: Best Original Song | |
| Randy Thomas | ... | Herself - Announcer | |
| John Travolta | ... | Himself - Presenter: Song 'I Move On' | |
| U2 | ... | Themselves - Performers: 'The Hands That Built America' | |
| Robert Urich | ... | Himself (Memorial Tribute) (archive footage) | |
| Jack Valenti | ... | Himself - Presenter: Best Documentary Short | |
| Ethan Van der Ryn | ... | Himself - Winner: Best Sound Editing | |
| Nia Vardalos | ... | Herself - Nominee: Best Original Screenplay & Presenter: Best Makeup | |
| Caetano Veloso | ... | Himself - Performer | |
| Jon Voight | ... | Himself - Past Winner | |
| Christopher Walken | ... | Himself - Nominee: Best Actor in a Supporting Role / Past Winner | |
| Martin Walsh | ... | Himself - Winner: Best Film Editing | |
| Denzel Washington | ... | Himself - Presenter: Best Actress in a Leading Role / Past Winner | |
| Lew Wasserman | ... | Himself - (Memorial Tribute) (archive footage) | |
| Harvey Weinstein | ... | Himself - Nominee: Best Picture | |
| Billy Wilder | ... | Himself (Memorial Tribute) | |
| Teresa Wright | ... | Herself - Past Winner | |
| Renée Zellweger | ... | Herself - Nominee: Best Actress in a Leading Role / Presenter: Best Original Score | |
| Catherine Zeta-Jones | ... | Herself - Winner: Best Actress in a Supporting Role & Performer | |
| Fabrício Correia | ... | Himself (uncredited) | |
| Calista Flockhart | ... | Herself - Audience Member (uncredited) | |
| Isaac Hayes | ... | Himself - recalling his award (pre-recorded) (uncredited) | |
| Ron Howard | ... | Himself - recalling his award (pre-recorded) (uncredited) | |
| Tommy Lee Jones | ... | Himself - recalling his award (pre-recorded) (uncredited) | |
| Barbara Kopple | ... | Herself - recalling her awards (pre-recorded) (uncredited) | |
| Chad Lowe | ... | Himself - Audience Member (uncredited) | |
| Amy Madigan | ... | Herself - Audience Member (uncredited) | |
| Randy Newman | ... | Himself - recalling his award (pre-recorded) (uncredited) | |
| Edward Norton | ... | Himself - Audience Member (uncredited) | |
| Carly Simon | ... | Herself - recalling her award (pre-recorded) (uncredited) | |
| Kevin Spacey | ... | Himself - recalling his awards (pre-recorded) (uncredited) | |
| Kathleen Turner | ... | Joan Wilder (archive footage) (uncredited) | |
| Leonor Watling | ... | Herself - Audience Member (uncredited) | |
| John Williams | ... | Himself - recalling his awards (pre-recorded) (uncredited) | |
| Robin Williams | ... | Himself - recalling his award (pre-recorded) (uncredited) | |
| Lili Fini Zanuck | ... | Herself - recalling her award (pre-recorded) (uncredited) | |
Directed by | |||
| Louis J. Horvitz | |||
Writing credits | ||
| Hal Kanter | (written by) and | |
| Rita Cash | (written by) and | |
| Buz Kohan | (written by) | |
| Steve Martin | (special material written by) and | |
| Beth Armogida | (special material written by) and | |
| Dave Barry | (special material written by) and | |
| Dave Boone | (special material written by) and | |
| Andy Breckman | (special material written by) and | |
| Jon Macks | (special material written by) and | |
| Rita Rudner | (special material written by) and | |
| Bruce Vilanch | (special material written by) | |
Produced by | |||
| Gilbert Cates | .... | executive producer | |
| Dennis E. Doty | .... | producer: pre-show | |
| Danette Herman | .... | coordinating producer | |
| Scott McIsaac | .... | segment producer (segment "Memorial & Diamond Anniversary") | |
| Lucas Meyers | .... | segment producer: opening segments directed by Adam Shankman | |
| Michael B. Seligman | .... | associate producer | |
| Allan Wells | .... | screens producer | |
Film Editing by | |||
| Jon Bloom | |||
| John Burridge | |||
| Tony Cacciarelli | |||
| Susan D. Cooper | |||
| Maura Corey | (co-editor) | ||
| Brian Derby | |||
| Karen Erickson | |||
| Radu Ion | |||
| Alexandra Komisaruk | |||
| Paul Marengo | |||
| Shannon Martellaro | (segment: actor montages, "When I Won the Oscar") | ||
| Dirk Meenen | |||
| Paul C. Nesmith | |||
| Michael Polito | (as Mike Polito) | ||
| Jeff Roe | |||
| Phil Savenick | |||
| Michael J. Shapiro | |||
| Matthew Sharp | |||
| Mark Stepp | |||
| Douglass M. Stewart Jr. | |||
| Yoram Tal | |||
| Paula S. Vannucci | |||
| John Wesley Whitton | |||
| Lucas Wilson | |||
| Chuck Workman | |||
| John Zimmer | |||
Production Design by | |||
| Roy Christopher | |||
Art Direction by | |||
| Greg Richman | |||
| Keaton S. Walker | |||
| Tamlyn Wright | |||
Makeup Department | |||
| Marianna Elias | .... | makeup artist | |
Production Management | |||
| Rob Paine | .... | production manager | |
Art Department | |||
| Carlos Osorio | .... | additional art director | |
| Charlotte Raybourn | .... | art department coordinator | |
Sound Department | |||
| Jason Atwell | .... | sound | |
| Patrick Baltzell | .... | sound mixer | |
| Robert Douglass | .... | sound re-recording mixer (as Bob Douglass) | |
| Ed Greene | .... | sound mixer | |
| Jamie Santos | .... | sound re-recording mixer | |
Visual Effects by | |||
| Tim Drnec | .... | Spydercam coordinator | |
| Scott Paider | .... | Spydercam head rigger | |
| Todd Semmes | .... | Spydercam aerial camera | |
| Ben Britten Smith | .... | spydercam flight control | |
Animation Department | |||
| Darrin Butters | .... | animator: "Mickey Mouse" crew | |
Costume and Wardrobe Department | |||
| Sandy Ampon | .... | set costumer | |
| Debra L. Wiley | .... | costumer | |
Editorial Department | |||
| Jeffrey R. Coulter | .... | assistant editor (as Jeff Coulter) | |
| Stephanie Erickson | .... | assistant editor | |
| Tiffany Hope | .... | assistant editor | |
| Shannon Martellaro | .... | co-editor: actor montages, "When I Won the Oscar" | |
| Matthew Searer | .... | post-production assistant | |
| Shannon Stohner | .... | assistant editor | |
| Shannon Stohner | .... | co-editor: actor montages, "When I Won the Oscar" | |
Music Department | ||
| Bill Conti | .... | musical director |
| Evan Greenspan | .... | music clearance |