| Cast list | | Fred MacMurray | as | Wilson Daniels | | Jean Hagen | as | Freeda Daniels | | Tommy Kirk | as | Wilby Daniels | | Annette Funicello | as | Allison D'Allessio | | Tim Considine | as | Buzz Miller | | Kevin Corcoran | as | Moochie (Montgomery) Daniels | | Cecil Kellaway | as | Professor Plumcutt | | Alexander Scourby | as | Dr. Mikhail Andrassy | | Roberta Shore | as | Franceska Andrassy | | James Westerfield | as | Officer Hanson | | Strother Martin | as | Thurm | | Forrest Lewis | as | Officer Kelly | | Ned Wever | as | FBI Chief E.P. Hackett | | Gordon Jones | as | Captain Scanlon, Police Chief | | Jacques Aubuchon | as | Stefano |
| | Crew list: | | Charles Barton (Director) | | Lillie Hayward (Writer) | | Felix Salten (Writer) |
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