Frederick Piper

as Lodger

as Police Inspector Merkot

as Usher

as Monk (uncredited)

as Siddall

as Mr. Davies

as Gonzalez (The Traitor)

as Sam

as Hearse Driver

as Fred

as Sgt. Bob Ogle

as Scientist in Corridor

as Hall Porter (uncredited)

as Harvey Walters

as Potter

as Henry Beamster

as Ernest (uncredited)

as Mr. Poldy

as Barman

as Careers Officer

as Medwood Inspector Hayman

as Spanish

as Sandyman

as Lukey

as Jeweller

as Joe Bates

as Mr. Easter (uncredited)

as Thomas Pritchard

as Solicitor Petheridge

as Mr. Sykes

as Inspector Reid

as Customs Inspector

as Alf Lewis

as Garland

as Mr. Bentley

as Max Marshall

as Yokel

as Miller

as Brownie

as Camp Caretaker

as Billy Hapgood

as Policeman

as Labourer

as Det. Insp. Godby

as Mr. Kirby

as Detective Sergeant Leech

as Isaac Turk

as Ben Pickersgill

as Zacky Penrose

as Dr. Pepper

as Sgt. Fred Johnson

as Learoyd

as Auctioneer

as Sailor

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

as Banger Hill

as Police Sergeant (uncredited)

as Edgecombe

as Malta official (uncredited)

as David

as Ginger Harris

as Davis

as Pickpocket (uncredited)

as Bartender (Uncredited)

as Ledbetter

as Minor Role

as Mr. Green (The Recording Engineer)

as Arthur Stevens

as Policeman Denker

as Joe, Detective Taking Fingerprints

as Jimmy (Employment Clerk)

as The Milkman (uncredited)

as Gendarme

as Mr. McWilliams

as Policeman with Rifle (uncredited)

as Ex-Admiral

as Aged Parent

as Hubert Wing

as Mr. Wallingford

as Tom Bridges

as Small Man

as Inspector Malcolm

as Milkman (archive footage) (uncredited)