Betty Boop goes to see the fearsome Old Man of the Mountain for herself; he sings the title song and a duet with Betty.
| Actor | Role |
|---|---|
 Cab CallowayHimself & Old Man | Himself & Old Man |
 Bonnie PoeBetty Boop (spoken voice) | Betty Boop (spoken voice) |
 Mae QuestelBetty Boop (singing voice) | Betty Boop (singing voice) |