Lyle Talbot
Inspector John
Herbert Rawlinson
Dr Boris Gregor
Steve Reeves
Lt Bob Lauwrence
Dolores Fuller
Marilyn Gregor
C
Clancy Malone
Don Gregor
Timothy Farrell
Vic Brady
Theodora Thurman
Loretta
Bud Osborne
Night Watchman
Mona McKinnon
Miss Willis
D
Don Nagel
Detective Davis
Conrad Brooks
Medical Attendant / Photographer
Edward D. Wood Jr.
Radio News Announcer (voice) (uncredited)
J
John Robert Martin
Detective McCall
J
John Avery
Police Doctor