Marking 100 years since the first appearance of Hercule Poirot, Richard E Grant explores the life of Agatha Christie, and the events that inspired the novels.
| Directing | Toby Roebuck | Director |
| Production | Sohail Shah | Executive Producer |
| Production | Toby Roebuck | Producer |
| Production | Sue Longmire | Producer |
| Editing | Martin Cooper | Editor |
| Editing | Sean Mackenzie | Editor |