Maj. John Tarrant
Cedric Harper
Ceil Burrows
Alf Chestermann
McKee
Chief Supt. Wray
Alex Tarrant
Lady Melissa Julyan
Sir Edward Julyan
Bateson
Monitoring Policeman
Mike McCarthy
Jane Harper
Miss Monley
Ilkeston
Margaret
MI5 Man
Hetty
Gen. St. John
Jacques (uncredited)
Truck passenger (uncredited)
Shadow (uncredited)
Doctor (uncredited)
Barmaid (uncredited)
Prison official (uncredited)
MI5 Man (uncredited)
Pincus (uncredited)
Pleasant Secretary (uncredited)
Official (uncredited)
Jeweller (uncredited)
Manageress (uncredited)
Commuter (uncredited)
Tourist (uncredited)
Customs officer (uncredited)
Heppenstel (uncredited)
Auctioner (uncredited)
Man at Auction (uncredited)
S.P. Driver (uncredited)
Tompkins (uncredited)
Bus Passenger (uncredited)
Auction Patron (uncredited)
Sellars (uncredited)
Hospital Security Guard (uncredited)
David Tarrant (uncredited)
Adm. Ballantyne (uncredited)
Motorcycle policeman (uncredited)
Paddy wagon driver (uncredited)
Duty Sergeant (uncredited)
James Stroud (uncredited)
Fake Military Policeman (uncredited)
Passenger on the Bus Beside Tarrant (uncredited)
Postman (uncredited)
Ilkeston's Secretary (uncredited)
Shopper (uncredited)
Raffle Patron (uncredited)
Magnus Petrie (uncredited)