On a special train, Betty's show troupe rehearses: Betty sings, Bimbo juggles, and Koko does a soft-shoe. The train itself also does tricks.
| Actor | Role |
|---|---|
 Mae QuestelBetty Boop (voice) | Betty Boop (voice) |
 Billy MurrayBimbo (voice) | Bimbo (voice) |
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On a special train, Betty's show troupe rehearses: Betty sings, Bimbo juggles, and Koko does a soft-shoe. The train itself also does tricks.
| Actor | Role |
|---|---|
| Mae QuestelBetty Boop (voice) | Betty Boop (voice) |
| Billy MurrayBimbo (voice) | Bimbo (voice) |