Just as he is about to experiment with an elixir of youth, Prof. Henry Baldwin is kidnapped by Courtney Lawson with his secretary, Egbert Swift, and his butler, Alexander, and placed in an asylum. A runaway dogcart deposits three babies in the house, and three escaped chimpanzees take their place.
| Actor | Role |
|---|---|
| NNell BrantleyAlice | Alice |
 George O'HaraRobert Lee | Robert Lee |
 Stanley BlystoneCourtney Lawson | Courtney Lawson |
 Dan MasonHenry Baldwin | Henry Baldwin |
 Lon PoffEgbert Swift | Egbert Swift |
 Bud JamisonAlexander | Alexander |
 Merta SterlingLiza | Liza |
 Nora CecilAunt Priscilla | Aunt Priscilla |
| DDavid KirbyThe Crook | The Crook |
 Carmencita JohnsonBaby (uncredited) | Baby (uncredited) |
| JJoan MeredithUndetermined Secondary Role (uncredited) | Undetermined Secondary Role (uncredited) |