A highly respected clergyman is actually a former pirate who exacts vigilante justice in this British production.
| Actor | Role |
|---|---|
 George ArlissDr Syn | Dr Syn |
 Margaret LockwoodImogene Clegg | Imogene Clegg |
 John LoderDenis Cobtree | Denis Cobtree |
 Roy EmertonCapt. Howard Collyer, R.N. | Capt. Howard Collyer, R.N. |
 Graham MoffattJerry Jerk | Jerry Jerk |
 Frederick BurtwellRash the Schoolmaster | Rash the Schoolmaster |
 George MerrittMipps the Coffin Maker | Mipps the Coffin Maker |
 Athole StewartSquire Anthony Cobtree | Squire Anthony Cobtree |
| WWilson ColemanDr. Pepper, MD | Dr. Pepper, MD |
 Wally PatchCollyer's Bo'sun | Collyer's Bo'sun |
| MMeinhart MaurMulatto | Mulatto |
| MMuriel GeorgeMrs. Waggetts, Pub Owner | Mrs. Waggetts, Pub Owner |
 Wallace BoscoSpectator in Coroner's Court (uncredited) | Spectator in Coroner's Court (uncredited) |
| LLeonard SharpRevenue Man (uncredited) | Revenue Man (uncredited) |