John Warwick

as Inspector

as Frank Jamieson

as Police Sgt

as Insp. Lodge

as Inspector Cobley

as Dr. Worksop

as Police Superintendent

as Colonel Layton

as Cmdr. Chambers

as 1st Ambulance Man (uncredited)

as Detective Inspector at Shipping Office

as Bryant, director del polideportivo

as John Patterson

as Carter

as Sergeant Gurney

as Insp. Gray

as Robson (uncredited)

as Inspector Raynor

as Prisoner's Escort on Ship (uncredited)

as Security Chief Brice (uncredited)

as Pete Hanken

as Carley

as Inspector Hewitt (uncredited)

as Inspector Jim Moss (uncredited)

as Dr. Gavron

as George Grant

as Det. Insp. Carter

as Donald Clark

as Milligan, Reporter in Fleet Street Pub

as Bennett

as Norman (uncredited)

as Carter

as Gregory

as Recruiting Officer

as Jack Gay

as Shaw

as (uncredited)

as Studd

as Brown

as Goddard

as George Davenport

as Lucien Cortier

as Ted Bracher

as Nick Bryan

as John Halifax

as Johnnie Clayton

as John Marsden

as Robert Brierly

as Frank Drayton

as Eddie 'Babyface' Fallon

as Dr. Henry Everard

as Clive Sherrington

as Midshipman Young

as Jim Carey

as Dr. Bricars

as Sir Adrian Gillespie

as Inspector Langdon