Elenco - High Treason
Jameson Thomas
Michael Deane
Benita Hume
Evelyn Seymour
Humberston Wright
Dr. Stephen SeymourBasil Gill
President of the Federated States of EuropeEdith Barker Bennett
Minor Role
James Carew
Lord Rowleigh
Alf Goddard
Tele-radiographerJudd Green
James GrovesClifford Heatherley
Delegate
Hayford Hobbs
Charles Falloway
Raymond Massey
Member of Federated States Council
Wally Patch
Peace League Commissionaire
Irene Rooke
Senator
Milton Rosmer
Ernest Stratton
John Singer
BoyKiyoshi Takase
Arms Manufacturers' HenchmanHenry Vibart
Lord Sycamore