Lodger

Ex-Admiral

Aged Parent

Police Inspector Merkot

Hubert Wing

Mr. Wallingford

Monk (uncredited)

Tom Bridges

Siddall

Gonzalez (The Traitor)

Mr. Davies

Sgt. Bob Ogle

Sam

Scientist in Corridor

Hall Porter (uncredited)

Barman

Ernest (uncredited)

Sandyman

Lukey

Mr. Easter (uncredited)

Inspector Reid

Mr. Sykes

Solicitor Petheridge

Alf Lewis

Garland

Yokel

Billy Hapgood

Billy Hapgood

Billy Hapgood

Camp Caretaker

Policeman

Brownie

Detective Sergeant Leech

Isaac Turk

Mr. Kirby

Dr. Pepper

Auctioneer

Learoyd

Boatswain W.E. Fletcher - M.V. San Demetrio

Police Sergeant (uncredited)

Banger Hill

Edgecombe

David

Davis

Mr. Green (The Recording Engineer)

Policeman Denker

Joe, Detective Taking Fingerprints

Gendarme

The Milkman (uncredited)

Policeman with Rifle (uncredited)