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