· 1948 · 1h 30m The Duke in Darkness ✓ Seen + Watchlist ↗ Share No poster Director Cast Archie Angus as Dubois Philip Ashley as Marteau Patrick Boxill as Gribaud Edward Chaffers as Count D'Aublaye Bryan Coleman as Voulain Hugh Falkus as Roubot Crew Fred O'Donovan — Producer Synopsis BBC adaptation of Patrick Hamilton's play. Key Collaborators Fred O'Donovan Producer Follow the Thread Agent-readable