Cast & crew
Behind the Mask (1958)
Directed by Brian Desmond Hurst Written by John Hunter
Cast
| John Welsh | Langley |
| Mary Skinner | Sister Louie |
| Jack Hedley | Dr Chaleck |
| Ann Firbank | Judson |
| Michael Redgrave | Benson |
| Niall MacGinnis | Isherwood |
| Miles Malleson | Oswald Brons |
| Lionel Jeffries | Walter Parks Thatcher |
| Brenda Bruce | Fallon |
| William Roache | (uncredited) |
| Vanessa Redgrave | Benson |
| Ian Bannen | Macauley Crabtree |
| Tony Britton | Selwood |
| Carl Möhner | Romek |
| Margaret Tyzack | Sister Louie |
| Hugh Miller | Medical Examiner |
Crew
| R.L.M. Davidson | Production Manager |
| Thelma Graves | Casting |
| Geoffrey Wright | Original Music Composer |
| Buster Ambler | Sound Recordist |
| Michael Morris | Makeup Artist |
| John Rowan Wilson | Novel |
| John Cox | Sound Supervisor |
| Barbara Gillett | Wardrobe Master |
| Sergei Nolbandov | Producer |
| Allan Morrison | Editor |
| Michael Stevenson | Third Assistant Director |
| John Hunter | Screenplay |
| William Kellner | Production Design |
| Cynthia Tingey | Costume Design |
| Eileen Warwick | Hairdresser |
| Brian Desmond Hurst | Director |
| Robert Krasker | Director of Photography |
| Josef Somlo | Executive Producer |