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