Betty Boop's Birthday Party (1933)

Director: Dave Fleischer

Betty drudges in the kitchen alone until her friends (including Bimbo and Koko) hold a surprise birthday party for her… which gets rowdy.

Cast

Mae Questel

Betty Boop / Aloysius (voice) (uncredited)

William Pennell

Hippo (voice) (uncredited)

Billy Murray

Bimbo (voice) (uncredited)