William Hartnell
— Supt. Frawley
Betty McDowall
— Kay Stock
Eddie Byrne
— Sam Hare
George Mikell
— Carl Stock
Michael Ripper
— Lenny Lane
Victor Brooks
— Sgt. Jacks
Tim Turner
— Peter
Ivan Craig
— Dinty
Howard Lang
— George
Ian Fleming
Sylvia Davies
— Sally
Frank Forsyth
— Desk Sergeant
Brian Phelan
— Taffy
Michael Collins
— Detective at Jackpot Club (uncredited)
Dan Cressey
— Telephone Engineer (uncredited)
Garard Green
— Detective Briggs (uncredited)
Charles Lamb
— Snack Bar Customer (uncredited)
Stanley Meadows
— Police Intelligence Officer on Radio (uncredited)
Jack Sharp
— Arsenal Supporter Watching Match (uncredited)
Richard Shaw
— Sam Hare's driver (uncredited)
Pauline Shepherd
— (uncredited)
George Spence
— Man in Tube Station (uncredited)
Robert Vossler
— Policeman Arresting Hare's Driver (uncredited)
Joe Wadham
— Detective (uncredited)