as Dr Mackendrick

as Johnson

as Det. Insp. Taylor

as Det. Sgt. Gibson

as Brown

as Commander Bowerman

as Jon Brainbridge

as Captain - 'Sheffield'

as Peter Hastings

as Inspector Henley

as Lt. Col. Stanways

as Inspector Wilkins

as Inspector Trubridge

as Ronnie

as Bert Marlow

as Proprietor

as Inspector Clements

as Michael Matlock

as Det. Insp. Cameron

as Police Sergeant

as Detective Sergeant Simpson

as Bletchley

as Colonel

as Tony Barlow

as Sir Alec Russell

as police officer

as Spintho (uncredited)

as Constable Charles Baron

as Dr. Jefferies

as Dick Bromley

as Supt. Blake

as Supt. Gilchrist

as Sir Mostyn Llewellyn

as Mr. Fisher

as Commander John Willis

as Joe, Mate

as Harry Armstrong

as Co-pilot

as Sir Anthony Plumb

as Lamport

as Lt. Anderson

as Customs Officer

as Motor Cycle Policeman

as Sports Organiser (uncredited)

as Padre

as Doctor attending Gino

as Customs Officer

as Assistant Commissioner

as 1st Editor (uncredited)

as Parson (uncredited)

as Justice Sir John Hawke

as Sir Andrew Charles

as Vicar

as Fireman

as Judge

as 1st Headmaster

as Admiral Nicholas

as Alan Peters

as Summerland

as Inspector Parry

as Worsley

as Naval Officer Kent

as Inspector Powell

as Sir Charles Lyell

as Maggie's Doctor

as Doc Morrissey