Doctor Syn A highly respected clergyman is actually a former pirate who exacts vigilante justice in this British production. Details Casts Posters Title Doctor Syn Release Date 1937-08-25 Runtime 01 Hours 18 Minutes Genres Drama Adventure Production Companies Gaumont-British Picture Corporation Production Countries George Arliss... Dr Syn... Margaret Lockwood... Imogene Clegg... John Loder... Denis Cobtree... Roy Emerton... Capt. Howard Collyer, R.N... Graham Moffatt... Jerry Jerk... Frederick Burtwell... Rash the Schoolmaster... George Merritt... Mipps the Coffin Maker... Athole Stewart... Squire Anthony Cobtree... Wilson Coleman... Dr. Pepper, MD... Wally Patch... Collyer's Bo'sun... Meinhart Maur... Mulatto... Muriel George... Mrs. Waggetts, Pub Owner... Wallace Bosco... Spectator in Coroner's Co... Leonard Sharp... Revenue Man (uncredited)... Original Size (780x1180)