Moe Howard
Moe
Larry Fine
Larry
Joe DeRita
Curly-Joe
Emil Sitka
Prof. Dolottle
Marjorie Eaton
Mrs. McGinnis
Don Lamond
Announcer
Edward Innes
Landlord
Albert Grazier
Butler
Mel Blanc
Christopher Columbus / Feather (voice) (uncredited)
Norman Maurer
Cameraman (uncredited)