Cast & crew
Devil's Island (1939)
Directed by William Clemens Written by Don Ryan, Raymond L. Schrock, Kenneth Gamet, Anthony Coldeway
Cast
| Boris Karloff | Dr. Charles Gaudet |
| Nedda Harrigan | Madame Lucien |
| Adia Kuznetzoff | Pierre |
| James Stephenson | Col. Armand Lucien |
| Rolla Gourvitch | Collette |
| Will Stanton | Bobo |
| Edward Keane | Dr. Duval |
| Robert Warwick | Demonpre |
| Tom Wilson | Emil |
| Pedro de Cordoba | Marcal |
| John Harmon | Andre |
| Richard Bond | Georges |
| Earl Gunn | Leon |
| Charles Richman | Governor Beaufort |
| Stuart Holmes | Gustav LeBrun |
| Leonard Mudie | Advocate General |
| Sidney Bracey | Soupy |
| George Lloyd | Dogface |
| James Blaine | Guard |
| Dick Botiller | Pilot of Escape Boat |
| Egon Brecher | Debriac |
| Frank Reicher | President of Assize Court |
| Nat Carr | Court Clerk |
| Al Bridge | Captain of the guards |
| Davison Clark | Captain of Gendarmes |
| Neal Clisby | Jules |
| Glen Cavender | Gendarme on Train |
| Eddie Foster | Supply Clerk |
| Galan Galt | Guard |
| Harry Cording | Guard Accepting Bribe |
| Gino Corrado | Man Escaping Gendarmes with Debriac |
| Earl Dwire | Priest |
| John Hamilton | Captain of Second Convict Ship |
| Ben Hendricks Jr. | François - Sergeant of the Guards |
| Sol Gorss | Guard Escorting Gaudet After Operation |
| Frank Hagney | Guard |
| Paul Panzer | Jury Foreman |
| Stanley King | Guard |
| Billy McClain | Governor's Servant |
| Henry Otho | Guard Handcuffing Pierre |
| Vera Lewis | Gaudet's Housekeeper |
| Dick Rich | Guard Drugged by Gaudet |
| Alonzo Price | Capt. Edvard Fearreau of the First Convict Ship |
| Cliff Saum | Uniformed Gendarme |
| Francis Sayles | Boatman Taking Madame Lucien to Mainland |
| Earl Smith | Daniel - Madame Lucien's Servant |
| Elliott Sullivan | Gate Guard |
| Don Turner | Guard Escorting Gaudet After Operation |
| Douglas Williams | Guard |
| Walter Soderling | Wagon Driver |
Crew
| Don Ryan | Screenplay |
| Howard Jackson | Original Music Composer |
| William Clemens | Director |
| Frank Magee | Editor |
| Raymond L. Schrock | Story |
| Kenneth Gamet | Screenplay |
| Max Parker | Art Direction |
| Anthony Coldeway | Story |
| Don Turner | Stunts |
| George Barnes | Director of Photography |
| Bryan Foy | Associate Producer |
| Arthur Lueker | Assistant Director |
| Ray Romero | Makeup Artist |
| Sol Gorss | Stunts |
| Robert B. Lee | Sound |