Cast & crew
The Quatermass Xperiment (1955)
Directed by Val Guest Written by Richard H. Landau, Val Guest
Cast
| Brian Donlevy | Prof. Bernard Quatermass |
| David King-Wood | Dr. Gordon Briscoe |
| Jack Warner | Inspector Lomax |
| Margia Dean | Judith Carroon |
| Richard Wordsworth | Victor Carroon |
| John Wynn | Detective Sergeant Best |
| Harold Lang | Christie |
| Maurice Kaufmann | Marsh |
| Lionel Jeffries | Blake |
| Thora Hird | Rosie Wrigley |
| Toke Townley | The Chemist (uncredited) |
| Margaret Anderson | Maggie (uncredited) |
| Sam Kydd | Police Sergeant Questioning Rosie |
| Jane Asher | Little Girl (uncredited) |
| Gordon Jackson | BBC TV producer |
| Michael Godfrey | Crash Site Fireman (uncredited) |
| Eric Corrie | Maggie's Boyfriend (uncredited) |
| Henry B. Longhurst | George, Maggie's father (uncredited) |
| Ernest Hare | Crash Site Fire Chief (uncredited) |
| Marianne Stone | Central Clinic Nurse (uncredited) |
| Bartlett Mullins | Zookeeper (uncredited) |
| Mayne Lynton | Zoo Superintendent (uncredited) |
| Barry Lowe | Nurse Tucker (uncredited) |
| John Kerr | Photo Lab Technician (uncredited) |
| Jane Aird | Mrs. Lomax (uncredited) |
| Molly Glessing | Mother at Zoo (uncredited) |
| Arthur Gross | TV Show Floor Director (uncredited) |
| Basil Dignam | Sir Lionel Dean (uncredited) |
| Donald Gray | TV Program Announcer (uncredited) |
| Gron Davies | Charles Greene (uncredited) |
| Stanley Van Beers | Ludwig Reichenheim (uncredited) |
| Arthur Lovegrove | Sergeant Bromley (uncredited) |
| James Drake | Sound Engineer (uncredited) |
Crew
| Val Guest | Director |
| Richard H. Landau | Screenplay |
| Val Guest | Screenplay |
| James Bernard | Original Music Composer |
| Walter J. Harvey | Director of Photography |
| Philip Leakey | Makeup Artist |
| Anthony Hinds | Producer |
| James Needs | Editor |
| J. Elder Wills | Art Direction |
| Les Bowie | Special Effects |
| John Hollingsworth | Music Director |
| Nigel Kneale | Teleplay |
| Bill Shore | Assistant Director |
| T.S. Lyndon-Haynes | Production Manager |
| Molly Arbuthnot | Wardrobe Supervisor |
| H. C. Pearson | Sound Recordist |
| Monica Hustler | Hairstylist |