Henry Hewitt

as Gunsmith

as Treasurer

as Jeweller

as Nuclear Scientist (uncredited)

as Arthur, a cousin and clergyman

as Minister of Health

as Mr. Wilberforce

as Mr. Rosehed

as Dodds

as Actor

as Verriter

as Announcer

as Addington

as Jack, News Editor

as Prof. Davys

as Prof. Pilkington

as Wilfred

as Defence counsel

as Jan Six

as Flag Capt. Knox

as Philip Logan

as Sir Robert Blackburn KC

as Baron von Strick

as Harry Carlisle

as Vicomte d'Avennes