Conrad Veidt

Capt. Andersen

Valerie Hobson

Mrs. Sorensen

Hay Petrie

Axel Skold

Joss Ambler

Lt. Cmdr. Ashton

Raymond Lovell

Van Dyne

Esmond Knight

Mr. Pidgeon

Charles Victor

Hendrick

Harold Warrender

Lt. Cmdr. Ellis

John Longden

Passport officer

Eric Maturin

Passport officer

Leo Genn

First Brother Grimm

Stuart Latham

Second Brother Grimm

Peter Bull

Third Brother Grimm

Olga Edwardes

Mrs. Abo

Manning Whiley

Manager of 'Mousetrap'

Frank Allenby

Patrick Barr

Undetermined Role (uncredited)

Esma Cannon

Erik Skold's Niece

Erik Chitty

Cloakroom Attendant (uncredited)

Cameron Hall

Naval Officer

Bernard Miles

Man Lighting Pipe

Milo O’Shea

Air Raid Warden

Johnnie Schofield

Waiter at the Cab Drivers Shelter

Michael Shepley

Man in Club

Torin Thatcher

Sailor

Milo O’Shea

Air Raid Warden (uncredited)