| Actor | Norman Eshley (as Jeffrey Fourmile), Sheila Fearn (as Ann Fourmile), Nicholas Bond-Owen (as Tristram), Roy Kinnear (as Jerry), Patricia Kneale (as Mrs Clifton-White), Robert Raglan (as Mr Clifton-White), Lesley Staples (as Mrs Williams), Michael Wynne (as Mr Williams) |
| Casting Director | David Asche |
| Costume | Lyn Harvey |
| Design | Colin Andrews |
| Devised & Written by | Johnnie Mortimer, Brian Cooke |
| Floor Manager | John Lynton |
| Lighting Director | Richie Richardson |
| Make Up | Gilly Wakeford |
| Production | Peter Frazer-Jones |
| Production Assistant | Susie Shields |
| Senior Cameraman | Peter Coombs |
| Sound Supervisor | Mike Pontin |
| Stage Manager | Nora Stapleton |
| Starring | Yootha Joyce (as Mildred Roper), Brian Murphy (as George Roper) |
| Studio Supervisor | John Eveleigh |
| Theme Music | Roger Webb |
| Video Tape Editor | Dave Lewinton |
| Vision Control | Bill Marley |
| Vision Mixer | Peter Boffin |
| Links | https://www.imdb.com/title/tt0587299/ · https://george-and-mildred.fandom.com/wiki/Opportunity_Knocks |