Robert Warwick

Joseph Harris

Charles Starrett

Kenneth 'Ken' Harris

Marion Shilling

Jean Coates

Helen Jerome Eddy

Miss Lottie Case

Edward Van Sloan

Professor Bostwick

James Bush

Byron Coates / John Meseraux

Eddie Tamblyn

Bill Smart

Julian Madison

Charlie Penlon

Robert McKenzie

Sheriff Graves

Doris Lloyd

Lucille Coates

Ralph Brooks

Sam Anderson

Robert McKenzie

Sheriff

John Davidson

Professor Brand

Herbert Bunston

College Professor

George Morrell

Deputy Ab Barber

Broderick O'Farrell

Dr. Howell

Jane Keckley

Bostwick's Housekeeper

Eric Mayne

Professor at Service (Uncredited)