| Actor | Norman Eshley (as Jeffrey Fourmile), Sheila Fearn (as Ann Fourmile), Nicholas Bond-Owen (as Tristram), Peggy Sinclair (as Mrs. Eastham), James Cosmo (as Keith) |
| Booking Executive | Iris Frederick |
| Costume | Lyn Harvey |
| Designed by | David Richens |
| Devised & Written by | Johnnie Mortimer, Brian Cooke |
| Directed By | Peter Frazer-Jones |
| Floor Manager | Peter Errington |
| Lighting Director | Bill Lee (2) |
| Make Up | Pauline Saunders |
| Operational Supervisor | John Eveleigh |
| Produced By | Peter Frazer-Jones |
| Production Assistant | Susie Shields |
| Senior Cameraman | Peter Howell (2) |
| Sound Supervisor | Peter Willcocks |
| Stage Manager | Nora Stapleton |
| Starring | Yootha Joyce (as Mildred Roper), Brian Cooke (as George Roper) |
| Theme Music | Roger Webb |
| Video Tape Editor | Colin Bocking |
| Vision Control | Bill Marley |
| Vision Mixer | Nick Bigsby |
| Links | https://www.imdb.com/title/tt0587302/ · https://george-and-mildred.fandom.com/wiki/The_Dorothy_Letters |