Richard Thorp

as DS Jacklin

as Alan Turner

as Pembridge

as Edgar Anthony

as Mr. Gordon

as Fred

as Harry Markham

as Sir Gareth

as Reg

as John Durran

as Bobby

as Sgt. James Cross

as David

as Dennis Potter

as Police Officer in Patrol Car (uncredited)

as Sir Humphrey

as Squadron Leader H. E. Maudslay, D.F.C.

as Dick