Ewan Roberts

as McKern

as Parkinson

as Laboratory Technician

as Maj. McDougal

as Hopkins

as Desmond Cross

as Customer at Petrol Station (uncredited)

as Gavin Hamilton

as Hamish Gillespie

as Deighton

as Dr. Soames

as Det. Insp. Simons

as Inspector Mackenzie

as Col. Burlinson

as Morton, Earl of Lenox

as Munro

as Jimmy

as Travers

as Craig

as Superintendent Rees

as Lloyd Williamson

as Mr. Frazer

as Hotel Porter

as Sergeant Rutherford

as Inspector Ames

as Constable (uncredited)

as Customs Chief J. S. Blake

as Victor Skyway

as Inspector Ames

as Alec Pearce

as Claw Paw

as Audiologist (uncredited)

as Studio Driver

as Menzies

as Medical Officer

as Fotheringay

as Ship's Doctor

as 1st Policeman (uncredited)