Calificación
Reparto

Lyle Talbot
Inspector John

Herbert Rawlinson
Dr Boris Gregor

Steve Reeves
Lt Bob Lauwrence

Dolores Fuller
Marilyn Gregor

Clancy Malone
Don Gregor

Timothy Farrell
Vic Brady

Theodora Thurman
Loretta

Bud Osborne
Night Watchman

Mona McKinnon
Miss Willis

Don Nagel
Detective Davis

Conrad Brooks
Medical Attendant / Photographer

Edward D. Wood Jr.
Radio News Announcer

John Robert Martin
Detective McCall

John Avery
Police Doctor