Doctor Syn

Roy William Neill

Director

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)