Gerald Andersen

as Member of Whitehall Conference

as Delahunty

as Lloyd

as Narrator

as Johnson (uncredited)

as Major Paul Amery

as Dr. Ballan

as Det. Sgt. Shafto (as Gerald Anderson)

as Chairman

as Police Sergeant (uncredited)

as Carlsen

as Coding Clerk (uncredited)

as Mr. Brown

as Unidentified role