as Mr. Dubbin
as Stephen Kedge
as Doctor
as Major General Oster
as Nyder
as Mr. Reise
as Dr. Lawrence
as Nyder (archive recording)
as Professor Whittaker
as BBC Executive
as Professor Whitaker
as Arranches
as Registrar
as Bradshaw
as Arthur Wainright
as Dr. Whatmore
as Secretary Rontane
as Harry Gold
