as Eric Todhunter
as Jarvis Lorry
as Professor Canford
as Claude, alias 'Major Courtney'
as Dr. Gratton
as Alfred Munson
as Sir Berkeley Nightingale
as Britannus
as King Roderick I
as First Sea Lord
as Alan Birnley
as Assistant Commissioner
as Sir John
as John Purves
as Stanley Millington
