Cast (in credits order)
| Walt Disney | ... | Self - voice of Mickey Mouse | |
| Jimmie Dodd | ... | Self (as Jimmie) | |
| Rest of cast listed alphabetically: | |||
| Irving Bacon | ... | Jim Maypen | |
| Sharon Baird | ... | Self (as Sharon) | |
| Bobby Burgess | ... | Self (as Bobby) | |
| Lonnie Burr | ... | Self (as Lonnie) | |
| Tommy Cole | ... | Self (as Tommy) | |
| Richard Deacon | ... | Uncle Archie McCloud, Ph.D. | |
| Ralph Dumke | ... | Mr. Abernathy | |
| Sylvia Field | ... | Aunt Lila McCloud | |
| Annette Funicello | ... | Self (as Annette) | |
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Darlene Gillespie | ... | Self (as Darlene) |
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Cheryl Holdridge | ... | Self (as Cheryl) |
| Judy Nugent | ... | Jet Maypen | |
| Cubby O'Brien | ... | Self (as Cubby) | |
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Doris Packer | ... | Mrs. Helen Abernathy |
| Karen Pendleton | ... | Self (as Karen) | |
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Lynn Ready | ... | Self (as Lynn) |
| Doreen Tracey | ... | Self (as Doreen) | |
| Mary Wickes | ... | Katie | |
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Roy Williams | ... | Self (as Roy) |
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Bob Amsberry | ... | Self (uncredited) |
Animation Department
| Dave Michener | ... | animator (as David Michener) |
Music Department
| Evelyn Kennedy | ... | music editor |