The Agitator is a 1945 British drama film directed by John Harlow and starring William Hartnell, Mary Morris and John Laurie. Its plot follows a young mechanic who unexpectedly inherits the large firm where he works and tries to run it according to his socialist political beliefs. It was based on the 1925 novel Peter Pettinger by William Riley.
| Directing | John Harlow | Director |
| Writing | William Riley | Novel |
| Writing | Edward Dryhurst | Writer |
| Art | C. Wilfred Arnold | Art Direction |
| Production | Louis H. Jackson | Producer |
| Editing | Douglas Myers | Editor |
| Camera | Moray Grant | Camera Operator |
| Costume & Make-Up | Harry Hayward | Makeup Artist |
| Crew | James Morris | Sound Recordist |
| Camera | James Wilson | Director of Photography |
| Sound | John Greenwood | Original Music Composer |
| Camera | Arthur Grant | Director of Photography |
