cast
-
John Ireland
John Hunter
-
Robert Ayres
Walter Allen
- Ann Hanslip Walter Allen's Secretary / Betty Fuller
-
Ballard Berkeley
Mansion / Harry Tyler / Jefford
-
Reginald Marsh
Inspector Martin
-
Michael Balfour
Freddy / Harry
- Robert Cawdron Saxon
- Robert Raglan The Captain
-
Graham Ashley
Det. Sgt. Jameson
-
Frank Thornton
Long
- Richard Shaw Henchman (uncredited)
- Michael Collins Fire Chief (uncredited)
-
Barrie Ingham
Petrie
-
Margaretta Scott
Mrs. Osborne
-
Anton Rodgers
Barman
-
Philip Latham
Cooke
-
Valentine Dyall
Inspector Kellogg
-
Francis de Wolff
Gormley
-
John Bennett
Blake
-
Peter Illing
Police Colonel Zodiacol
-
Gerard Heinz
Doctor Serafin
- Rosemary Dorken Laura Desmond