Besetzung
Robert Warwick
Joseph Harris
Marion Shilling
Jean Coates
Edward Van Sloan
Professor Bostwick
Eddie Tamblyn
Bill Smart
John Davidson
Professor Brand
Julian Madison
Charlie Penlon
Robert McKenzie
Sheriff Graves, Sheriff
Herbert Bunston
College Professor
Broderick O'Farrell
Dr. Howell
George Morrell
Deputy Ab Barber
Helen Jerome Eddy
Miss Lottie Case
Doris Lloyd
Lucille Coates
Charles Starrett
Kenneth 'Ken' Harris
James Bush
Byron Coates / John Meseraux
Jane Keckley
Bostwick's Housekeeper
Eric Mayne
Professor at Service (Uncredited)