18th century English aristocrat Sir Percy Blakeney leads a double life. He appears to be merely the effete aristocrat, but in reality is part of an underground effort to free French nobles from Robespierre's Reign of Terror.

• London Films Productions
• Leslie Howard
• Merle Oberon
• Raymond Massey
• Nigel Bruce
• Bramwell Fletcher
• Anthony Bushell
• Joan Gardner
• Walter Rilla