John Triton
Jean Courtland
Elliott Carson
Jenny
Lt. Shawn
Peter Vinson
Whitney Courtland
Dr. Walters
Mr. Gilman
Special Prosecutor Melville Weston
Mr. Myers
Butler
Miss Hendricks the Housekeeper
Dr. Ramsdell
Maid (uncredited)
Policeman (uncredited)
Companion (uncredited)
Truckman (uncredited)
Elderly Italian Woman (uncredited)
Agnes (uncredited)
Scientist (uncredited)
