On screen
Cast
16 credited performers
John Loder
Captain Craig Killian
Ruth Ford
Janet Devon
Artwork unavailable
Marian Hall
Patricia 'Pat' Devon
Richard Fraser
Lieutenant Walter Sibley
Paul Cavanagh
Dr. Dorn
Lumsden Hare
General Randall Devon
John Abbott
Dr. Ferris
Artwork unavailable
Mary Field
Nurse Kruger
Rex Williams
Eric - Male Nurse
Joan Winfield
Mrs. Ellen Tanner
Artwork unavailable
Charles Irwin
Inspector Cady
Artwork unavailable
Peggy Carson
Marie Oliver - the Maid
Walter Tetley
Sammy
Creighton Hale
Constable Fletcher
Frank Mayo
Constable Ryan
Vera Lewis
Landlady (uncredited)