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