Partition, 1921, tells the story of how Ireland came to be to be partitioned from the perspective of the British and unionist politicians who divided Ireland. Michael Portillo examines how this happened, unravelling a web of intrigue woven by the British ruling classes for whom the essential issue was defending Ulster
| Editing | Derek Pelly | Editor |
| Production | Mike Keane | Producer |
| Writing | Andrew Gallimore | Writer |
| Directing | Andrew Gallimore | Director |