 | Lara Spencer | ... | Herself - Host / ... (8 episodes, 2004-2008) |
 | Pat O'Brien | ... | Himself - Host / ... (7 episodes, 2004-2007) |

| Jayden Valentino | ... | Himself (5 episodes, 2005) |
 | Thomas Roberts | ... | Himself (5 episodes, 2007-2008) |

| Dolly Parton | ... | Herself (4 episodes, 2005-2006) |

| Larry A. Thompson | ... | Himself (4 episodes, 2005) |
 | Victoria Recaño | ... | Herself (3 episodes, 2004-2008) |

| George Clooney | ... | Himself (3 episodes, 2006-2007) |

| Rascal The World's Ugliest Dog | ... | Himself (3 episodes, 2006-2007) |

| Alyssa Milano | ... | Herself (2 episodes, 2004-2005) |

| Fawn | ... | Herself (2 episodes, 2005-2006) |
 | Heather Howard | ... | Herself (2 episodes, 2005) |
 | Steven Cojocaru | ... | Himself (2 episodes, 2006-2007) |

| Gisele Bündchen | ... | Herself (2 episodes, 2006) |

| Cheryl Burke | ... | Herself (2 episodes, 2006) |

| Jill Dobson | ... | Herself (2 episodes, 2006) |

| Mario López | ... | Himself (2 episodes, 2006) |

| Rachael Ray | ... | Herself (2 episodes, 2006) |

| Jessica Simpson | ... | Herself (2 episodes, 2006) |
 | Emmitt Smith | ... | Himself (2 episodes, 2006) |

| Donny Osmond | ... | Himself (2 episodes, 2007-2008) |
 | Valerie Bertinelli | ... | Herself (2 episodes, 2007) |

| Marie Osmond | ... | Herself (2 episodes, 2007) |

| Judge Judy Sheindlin | ... | Herself (2 episodes, 2007) |
 | David Caplan | ... | Himself (2 episodes, 2008) |

| Kathie Lee Gifford | ... | Herself (1 episode, 2005-2006) |
|
 | Ananda Lewis | ... | Herself (unknown episodes, 2004) |
|
| Sarah Huber | .... | voice-over coordinator (28 episodes, 2004-2007) |
| Devin Bailey | .... | associate director (24 episodes, 2006-2007) |
| Darren Willner | .... | production coordinator (12 episodes, 2004-2005) |
| Jean Huynh | .... | production assistant (10 episodes, 2006-2007) |
| Kate Wallace | .... | travel coordinator (9 episodes, 2007-2008) |
| Manny Hebron | .... | reseach supervisor (2 episodes, 2005) |
| Marc Silver | .... | associate director (2 episodes, 2005) |
| Preston Ngo | .... | production assistant (2 episodes, 2006-2007) |
| Maegan Ochoa | .... | production assistant (2 episodes, 2006-2007) |
|
| Vic Cohen | .... | associate director (unknown episodes, 2004-2005) |
| Michael T. Altfillisch | .... | researcher (unknown episodes) |
| Oland Andrus | .... | researcher (unknown episodes) |
| Charles Heyward Boyce | .... | production assistant (unknown episodes) |
| Peter Brogna | .... | production assistant (unknown episodes) |
| Chelsea Cannell | .... | production assistant (unknown episodes) |
| Brian Emmett Cook | .... | production assistant (unknown episodes) |
| Aimee Corser | .... | production assistant (unknown episodes) |
| Eric Cremer | .... | production assistant (unknown episodes) |
| Shane Bitney Crone | .... | production assistant / talent coordinator (unknown episodes) |
| Dustin Farrell | .... | production assistant (unknown episodes) |
| Kristy Gibson | .... | production assistant (unknown episodes) |
| Larry Haro | .... | production assistant (unknown episodes) |
| Bonnie Horton | .... | talent coordinator (unknown episodes) |
| Masumi Ideta | .... | production assistant (unknown episodes) |
| Michael Klein | .... | lead researcher (unknown episodes) |
| Tara Larsen | .... | clearance (unknown episodes) |
| Kristina Lee | .... | production assistant (unknown episodes) |
| Josh Lopour | .... | production coordinator (unknown episodes) |
| Steven Lux | .... | production assistant (unknown episodes) |
| Diana Magpapian | .... | travel coordinator (unknown episodes) |
| Alex McAtee | .... | production assistant (unknown episodes) |
| Lisa McNeil | .... | additional script supervisor (unknown episodes) |
| Ben McShane | .... | production assistant (unknown episodes) |
| Mai-Ly Nguyen | .... | researcher (unknown episodes) |
| George Nicholis | .... | production assistant / script researcher (unknown episodes) |
| Christine Padilla | .... | production assistant (unknown episodes) |
| Holly Pakfar | .... | production assistant (unknown episodes) |
| Robin Radin | .... | associate director (unknown episodes) |
| Nathan Saifer | .... | videotape supervisor (unknown episodes) |
| Jamison Selby | .... | researcher (unknown episodes) |
| Shiran Stotland | .... | technical director (unknown episodes) |
| Patricia Ann Taylor | .... | production assistant (unknown episodes) |
| Wendy Vinglinsky | .... | production coordinator (unknown episodes) |
| David Vottero | .... | promotions assistant (unknown episodes) |
| Zeke Williams | .... | production assistant (unknown episodes) |
| |