 Jack PearlBaron Munchhausen | Baron Munchhausen |
 Jimmy DuranteJoe McGoo | Joe McGoo |
 Zasu PittsZasu | Zasu |
 Ted HealyHead Janitor | Head Janitor |
 Edna May OliverDean Primrose | Dean Primrose |
 Henry KolkerBaron Munchausen | Baron Munchausen |
 William B. DavidsonGeneral Broadcasting Representative | General Broadcasting Representative |
 Moe HowardA Stooge | A Stooge |
 Larry FineA Stooge | A Stooge |
 Curly HowardA Stooge | A Stooge |
 Ben BardCharley | Charley |
 Lynn BariCollege Girl (uncredited) | College Girl (uncredited) |
 Marion ByronCollege Girl (uncredited) | College Girl (uncredited) |
 Andrea LeedsCollege Girl (uncredited) | College Girl (uncredited) |
| MMargaret NearingCollege Girl (uncredited) | College Girl (uncredited) |
 Lyda RobertiCollege Girl (uncredited) | College Girl (uncredited) |
 Willie FungChinese Man (uncredited) | Chinese Man (uncredited) |
 Lionel BelmoreExplorer with Newspaper (uncredited) | Explorer with Newspaper (uncredited) |
 Bruce BennettTrain Passenger (uncredited) | Train Passenger (uncredited) |
 June Brewster(uncredited) | (uncredited) |
 Don BrodieMayor's 'Yes' Man (uncredited) | Mayor's 'Yes' Man (uncredited) |
 Sheila BromleyEquestrienne Wearing Black Vest (uncredited) | Equestrienne Wearing Black Vest (uncredited) |
 Nora CecilProfessor Winterbottom (uncredited) | Professor Winterbottom (uncredited) |
 Bess FlowersTrain passenger | Train passenger |
 Chester GanChinese Man (uncredited) | Chinese Man (uncredited) |
 Mary GordonWasher Woman (uncredited) | Washer Woman (uncredited) |
 Robert GreigExplorer (uncredited) | Explorer (uncredited) |
| GGloria Hatrick(uncredited) | (uncredited) |
 Jobyna Howland(uncredited) | (uncredited) |
 Claude KingExplorer (uncredited) | Explorer (uncredited) |
