John Robinson

as Infantry General at Field Briefing (uncredited)

as Linnett

as Pilot

as Berkeley Reckitt

as Dr. Braithwaite

as Secretary

as Lord Fawnlee

as Unnamed Character

as Archdeacon Pomphret

as Prof. Martineau / Mansel

as Donald Scarlett

as Detective-Sergeant Leith

as Dr. Bruce Napier

as Taylor

as Oliver Farrant

as Lloyd Crichton