In a small New England town during the American War of Independence, Dick Dudgeon, a revolutionary American Puritan, is mistaken for local minister Rev. Anthony Anderson and arrested by the British. Dick discovers himself incapable of accusing another human to suffer and continues to masquerade as the reverend.
Unfortunately the movie The Devil's Disciple is not yet available on HBO Max.
| Writing | John Dighton | Screenplay |
| Directing | Guy Hamilton | Director |
| Writing | Roland Kibbee | Screenplay |
| Production | Harold Hecht | Producer |
| Writing | George Bernard Shaw | Author |
| Costume & Make-Up | Mary Grant | Costume Design |
| Art | Edward Carrere | Art Direction |
| Art | Terence Verity | Art Direction |
| Editing | Alan Osbiston | Editor |
| Costume & Make-Up | A. G. Scott | Makeup Artist |
| Art | Scott Slimon | Set Decoration |
| Camera | Jack Hildyard | Director of Photography |
| Sound | Richard Rodney Bennett | Original Music Composer |
| Sound | John Hollingsworth | Music Director |
| Production | Gilbert Kurland | Production Manager |
| Production | John Palmer | Unit Production Manager |
| Directing | Adrian Pryce-Jones | Assistant Director |
| Costume & Make-Up | Emma Selby-Walker | Costume Supervisor |
| Camera | Gerry Fisher | Camera Operator |
| Costume & Make-Up | Paul Rabiger | Key Makeup Artist |
| Costume & Make-Up | A.G. Scott | Hairstylist |
| Sound | Les Hammond | Sound Recordist |
