William James Craft
Director

Harry Langdon
Wally Slim Summerville
Slim Bessie Love
Ellen Mitchell Lewis
Screwy O'Toole Matthew Betz
Insect McGann Stanley Fields
Spumoni Lloyd Whitlock
O'Toole's Henchman Richard Alexander
McGann's Henchman Tom Kennedy
'Shivering' Smith Lew Hearn
Inventor LeRoy Mason
Attorney Walter Brennan
Spumoni Bodyguard (uncredited)

Jerry Horwin
Adaptation Vin Moore
Story Henry La Cossit
Dialogue Edward Ludwig
Screenplay