On screen
Cast
13 credited performers
Gene Nelson
Mike Delaney
Faith Domergue
Jill Rabowski
Peter Arne
Dr. Stephen Rayner / Jarvis
Joseph Tomelty
Detective Inspector Cleary
Donald Gray
Robert Maitland
Artwork unavailable
Vic Perry
Emmanuel Vasquo
Paul Hardtmuth
Dr. Bressler
Martin Wyldeck
Dr. Preston
Artwork unavailable
Leonard Williams
Detective Sergeant Haines
Artwork unavailable
Launce Maraschal
Editor (Alcott)
Artwork unavailable
Barry MacKay
Inspector Hammond
Charles Hawtrey
Scruffy (office boy)
Artwork unavailable
Mary Jones
Sister Brown