Terry-Thomas as Billy Gordon

George Cole as Fingers

Brenda De Banzie as Lucy Gordon

Bernard Bresslaw as Snowdrop

Joe Melia as Whisper

Sid James as Sid

Vera Day as Charmaine

Delphi Lawrence as Beryl

John Le Mesurier as Magistrate

Sydney Tafler as Solicitor

Rosalie Ashley as Angela Gordon

Nicholas Parsons as Tommy Weston

Terry Scott as Policeman James Smith

Vilma Ann Leslie as Girl Journalist

Edie Martin as Gordon's Mother

Tutte Lemkow as Swarthy Man

John Stuart as Inspector Jensen

Victor Brooks as Court Usher (uncredited)

Arthur Brough as Old Tramp (uncredited)

Cyril Chamberlain as Chief Fire Officer (uncredited)

Arthur Dibbs as Official (uncredited)

Norman Fisher as Man in Street (uncredited)

Tony Jason as Man at Court (uncredited)

Kenneth Kove as Vicar (uncredited)

Sam Kydd as Tramp (uncredited)

Edward Malin as Charlie (uncredited)

Mary Maxfield as Woman in Street (uncredited)

Wally Patch as Sergeant / Court Usher (uncredited)

Howard Pays as Policeman at Hearse (uncredited)

Jack Silk as Officer in Court (uncredited)

Robert Vossler as Detective (uncredited)

Joe Wadham as Fireman (uncredited)

Eric Wetherell as Man in Street (uncredited)

Ron Whitwell as Sergeant (uncredited)

Neil Wilson as Sergeant Smail (uncredited)