character - McKern

character - Parkinson

character - Laboratory Technician

character - Maj. McDougal

character - Hopkins

character - Desmond Cross

character - Customer at Petrol Station (uncredited)

character - Hamish Gillespie

character - Deighton

character - Dr. Soames

character - Inspector Mackenzie

character - Col. Burlinson

character - Morton, Earl of Lenox

character - Munro

character - Jimmy

character - Travers

character - Superintendent Rees

character - Lloyd Williamson

character - Hotel Porter

character - Sergeant Rutherford

character - Inspector Ames

character - Constable (uncredited)

character - Customs Chief J. S. Blake

character - Victor Skyway

character - Inspector Ames

character - Alec Pearce

character - Claw Paw

character - Audiologist (uncredited)

character - Studio Driver

character - Menzies

character - Medical Officer

character - Fotheringay

character - Ship's Doctor

character - 1st Policeman (uncredited)