Robert Wilcox

Larry Mitchell

Helen Mack

Mollie Riley

Edward Brophy

Cuthbert Innocent

Irving Pichel

Professor

Joe Sawyer

Tony Garzoni

Selmer Jackson

Steve Riley

Sam McDaniel

Speedy

Dorothy Vaughan

Al Hill

John Harmon

Rudolph Chavers

Tim Davis

Dorothy Arnold

Eddie Hall

Robert Homans

Cyril Ring

Charles Sullivan

George Meehan

Director of Photography

Irving Starr

Producer

Edward Curtiss

Editor

Jack Otterson

Art Direction

Russell A. Gausman

Set Decoration

Vera West

Costume Design

Bernard B. Brown

Sound

Robert Pritchard

Sound

Aubrey Scotto

Director

George Carleton Brown

Story

Alex Gottlieb

Screenplay

Emanuel Manheim

Story