Cast & crew
The Quatermass Conclusion (1979)
Directed by Piers Haggard Written by Nigel Kneale
Cast
| John Mills | Quatermass |
| Barbara Kellerman | Clare Quilty |
| Simon MacCorkindale | Joe |
| Toyah Willcox | Sal |
| Margaret Tyzack | Annie |
| Brewster Mason | Gurov |
| Ralph Arliss | Kickalong |
| Paul Rosebury | Caraway |
| Jane Bertish | Bee |
| Annabelle Lanyon | Isabel |
| David Yip | Frank |
| Tony Sibbald | Marshall Grant |
| Brenda Fricker | Alison |
| Bruce Purchase | Roach |
| Rebecca Saire | Hettie |
| John Mills | Prof. Bernard Quatermass |
| Barbara Kellerman | Clare Kapp |
| Brewster Mason | Gurov |
| Paul Rosebury | Caraway |
| Jane Bertish | Bee |
| Annabelle Lanyon | Isabel |
| Toyah Willcox | Sal |
| Simon MacCorkindale | Joe Kapp |
| Ralph Arliss | Kickalong |
| Margaret Tyzack | Annie Morgan |
| David Yip | Frank Chen |
| Tony Sibbald | Chuck Marshall |
| Brenda Fricker | Alison Thorpe |
| Bruce Purchase | Tommy Roach |
| Rebecca Saire | Hettie Carlson |
Crew
| Piers Haggard | Director |
| Norton Knatchbull | Producer |
| Nigel Kneale | Writer |
| Norton Knatchbull | Producer |
| Piers Haggard | Director |
| Nigel Kneale | Writer |