Old Home Guardsman (uncredited)
Elderly Man (uncredited)
Vicar (uncredited)
Hotel Waiter (uncredited)
Doctor (uncredited)
British TV Commentator (uncredited)
Dr. Lettering
Edmund Streller
Stuart Frye
Trebonius
C.I.C. (uncredited)
Gen. Woodbury
Dr. Fiske
Mr. Frye - School Principal
Dr. Surtees
Stansfield Yorke
Joe Sleat
Sir Graham Forbes
Thomas
Chief Constable
Detective Inspector Girton
Managing Director
Police Sergeant
Inspector Pierce
Detective
Sir Graham Forbes
J.B. Cato
Hotel Manager (uncredited)
Detective Smith (Uncredited)
Cutter
Pudens
Customs Officer (uncredited)
Duke
Jeffries
Testing Official
Philip Tarry
Gerald Falconer
Davis the Chauffeur (uncredited)
Jim Hanley
Filbert Frayne
Commander Baddeley
Sgt. Harry Cross
Himself
Capt. Wilson
Stuart
Atherley Armitage
David
Capt. Roger Peel
Diner in Nightclub Scene (uncredited)