Doctor Syn: Reparto
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 Court (uncredited)
Leonard Sharp
Revenue Man (uncredited)