as Johnson (uncredited)
as Member of Whitehall Conference
as Chairman
as Police Sergeant (uncredited)
as Mr. Brown
as Unidentified role
as Lloyd
as Major Paul Amery
as Carlsen
as Coding Clerk (uncredited)
as Det. Sgt. Shafto (as Gerald Anderson)
as Narrator
as Dr. Ballan
as Delahunty
