Conrad Veidt as Capt. Andersen

Valerie Hobson as Mrs. Sorensen

Hay Petrie as Axel Skold

Joss Ambler as Lt. Cmdr. Ashton

Raymond Lovell as Van Dyne

Esmond Knight as Mr. Pidgeon

Charles Victor as Hendrick

Phoebe Kershaw as Miss Lang

Harold Warrender as Lt. Cmdr. Ellis

John Longden as Passport officer

Eric Maturin as Passport officer

Dennis Arundell as Lieman

Molly Hamley-Clifford as Baroness Hekla

Eric Berry as Mr. Abo

Paddy Browne as Singer in 'Regency'

Henry Wolston as First Danish Waiter

Julian Vedey as Second Danish Waiter

Sydney Moncton as Third Danish Waiter

Hamilton Keene as Fourth Danish Waiter

Leo Genn as First Brother Grimm

Stuart Latham as Second Brother Grimm

Peter Bull as Third Brother Grimm

Olga Edwardes as Mrs. Abo

Toni Gable as Miss Karoly

Desmond Jeans as First Karoly

Eric Hales as Second Karoly

J.P. Roberts as Hanson

Manning Whiley as Manager of 'Mousetrap'

Frank Allenby as

Patrick Barr as Undetermined Role (uncredited)

Esma Cannon as Erik Skold's Niece

Albert Chevalier as

Erik Chitty as Cloakroom Attendant (uncredited)

Mark Daly as Taxi Driver

John England as

Cameron Hall as Naval Officer

Haddon Mason as

Bernard Miles as Man Lighting Pipe

Milo O’Shea as Air Raid Warden

Nicholas Phipps as Man in Car

Johnnie Schofield as Waiter at the Cab Drivers Shelter

Michael Shepley as Man in Club

Torin Thatcher as Sailor

Townsend Whitling as

Ben Williams as Man Selling Torches

Duncan Ross as

Milo O’Shea as Air Raid Warden (uncredited)