| Actor | Basil Dignam (as Cabinet Minister), Shane Rimmer (as Seagull X-Ray Co-Pilot), Jeremy Wilkin (as Skydiver Navigator), Robert Swann (as Grant), Gito Santana (as Alien), Edwin Richfield (as Admiral Sheringham (Episode 20)), Derren Nesbitt (as Craig Collins (Episode 21)), Gary Raymond (as Colonel John Grey (Episode 21)), Ronald Culver (as Sir Esmond (Episode 21)), Mike Pratt (as Clem Mason (Episode 22)), David Collings (as Daniel Clark (Episode 22)), Tom Adams (as Capt. Lauritzen (Episode 22)) |
| Actress | Lois Maxwell (as Miss Holland), Stephanie Beacham (as Sarah Bosanquet (Episode 20)), Deborah Grant (as Linda Simmons (Episode 22)) |
| Art Director | Bob Bell |
| Camera Operator | Derek Black |
| Editor | Alan Killick |
| Executive Producer | Gerry Anderson |
| Hairdressing | Alice Holmes |
| Makeup | Cliff Sharp |
| Music Composed By | Barry Gray |
| Music Directed By | Barry Gray |
| Producer | Reg Hill |
| Script Editor | Tony Barwick |
| Sound Editor | John Peverill, Jim Hopkins |
| Sound Recordist | Ken Rawkins, J. B. Smith |
| Starring | Edward Bishop (as Commander Ed Straker), Peter Gordeno (as Captain Peter Carlin), Grant Taylor (as General James Henderson), George Sewell (as Colonel Alec Freeman), Antonia Ellis (as Joan Harrington), Gabrielle Drake (as Lieutenant Gay Ellis), Dolores Mantez (as Nina Barry), Michael Billington (as Colonel Paul Foster), Vladek Sheybal (as Dr. Doug Jackson), Harry Baird (as Lt. Mark Bradley), Wanda Ventham (as Colonel Virginia Lake) |
| Visual Effects Director | Bill Camp |
| Visual Effects Supervisor | Derek Meddings |
| Wardrobe | Kim Martin, Iris Richens |
| Links | https://www.imdb.com/title/tt0063962/ · https://en.wikipedia.org/wiki/UFO_(TV_series) · https://www.bookogs.com/credit/645679-ufo |
