Robert Warwick

as Joseph Harris

Charles Starrett

as Kenneth 'Ken' Harris

Marion Shilling

as Jean Coates

Helen Jerome Eddy

as Miss Lottie Case

Edward Van Sloan

as Professor Bostwick

James Bush

as Byron Coates / John Meseraux

Eddie Tamblyn

as Bill Smart

Julian Madison

as Charlie Penlon

Robert McKenzie

as Sheriff Graves

Doris Lloyd

as Lucille Coates

Ralph Brooks

as Sam Anderson

Robert McKenzie

as Sheriff

John Davidson

as Professor Brand

Herbert Bunston

as College Professor

George Morrell

as Deputy Ab Barber

Broderick O'Farrell

as Dr. Howell

Jane Keckley

as Bostwick's Housekeeper

Eric Mayne

as Professor at Service (Uncredited)