Ewan Roberts

as Laboratory Technician

as Hopkins

as Maj. McDougal

as Customer at Petrol Station (uncredited)

as Hamish Gillespie

as Deighton

as Dr. Soames

as Det. Insp. Simons

as Col. Burlinson

as Jimmy

as Lloyd Williamson

as Hotel Porter

as Sergeant Rutherford

as Constable (uncredited)

as Customs Chief J. S. Blake

as Victor Skyway

as Alec Pearce

as Inspector Ames

as Claw Paw

as Medical Officer

as Studio Driver

as Audiologist (uncredited)

as Menzies

as Fotheringay

as Ship's Doctor

as 1st Policeman (uncredited)

as McKern

as Parkinson

as Desmond Cross

as Inspector Mackenzie

as Travers

as Morton, Earl of Lenox

as Superintendent Rees

as Mr. Frazer

as Inspector Ames