Doctor Syn

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

Wally Patch

Collyer's Bo'sun

Muriel George

Mrs. Waggetts, Pub Owner

Wallace Bosco

Spectator in Coroner's Court (uncredited)

Wilson Coleman

Dr. Pepper, MD

Meinhart Maur

Mulatto

Leonard Sharp

Revenue Man (uncredited)