Frederick Piper

as The Milkman (uncredited)

as David

as Usher

as Davis

as Police Inspector Merkot

as Policeman

as Garland

as Jimmy (Employment Clerk)

as Thomas Pritchard

as Lodger

as Policeman with Rifle (uncredited)

as Learoyd

as Inspector Malcolm

as Tom Bridges

as Ex-Admiral

as Mr. Wallingford

as Aged Parent