Curly Howard
Curly
Larry Fine
Larry
Moe Howard
Moe
Bud Jamison
Acme Service Station Owner (uncredited)
Samuel Adams
Professor Feinstein (uncredited)
Beatrice Blinn
Brainy Astronomy Student (uncredited)
Al Thompson
Professor Frankfurter (uncredited)
Lucien Ballard
Director of Photography
Art Seid
Editor
Hugh McCollum
Associate Producer
Charley Chase
Associate Producer, Director
Elwood Ullman
Writer
Al Giebler
