Dr. Eric Ryder
Brooke Gifford Ryder
David G. MacKellar
Carl
Genevieve Calvin
Joe (as Dick Erdman)
Louise Ryder
Johnnie
Emma
Philip Ryder
Mike
Timothy Freeman (as Jack Smart)
Mrs. Calvin
Sarah
Police Matron (uncredited)
Howard K. Brooks - Chief of Detectives (uncredited)
Dr. Nelson Norris (uncredited)