Cast & crew
Rx Murder (1958)
Directed by Derek N. Twist Written by Derek N. Twist, John W. Gossage
Cast
| Rick Jason | Jethro Jones |
| Lisa Gastoni | Kitty Mortlock |
| Sandu Scott | Stella Dysert |
| Marius Goring | Doctor Henry Dysert |
| Vida Hope | Louise |
| Helen Shingler | Charlotte |
| Phyllis Neilson-Terry | Lady Lacy |
| Mary Merrall | Miss Bettyhill |
| Jack Lambert | Doctor Stubbs (uncredited) |
| Ian Wilson | Pharmacist (uncredited) |
| Nicholas Hannen | Colonel |
| Frederick Leister | Doctor Alexander |
| Patrick Waddington | Sir George Watson |
| Kynaston Reeves | Mr. Sparrow |
| Avice Landone | Mrs. Motlock |
| Totti Truman Taylor | Mrs. Davies |
| Victor Harrington | Guest at Hunt Ball (uncredited) |
| Noel Hood | Lady Watson |
| Frank Atkinson | Ticket Inspector (uncredited) |
Crew
| Ted Morley | Assistant Director |
| Moray Grant | Camera Operator |
| Elven Webb | Art Direction |
| Derek N. Twist | Screenplay |
| John Wooldridge | Music |
| Derek N. Twist | Director |
| John W. Gossage | Screenplay |
| John W. Gossage | Producer |
| Desmond Saunders | Editor |
| Joan Fleming | Novel |
| Arthur Grant | Director of Photography |
| John Peverall | Assistant Director |
| Elsie Alder | Hairdresser |
| Emma Selby-Walker | Costume Design |
| Maurice Askew | Sound Recordist |
| Alex Garfath | Makeup Artist |
| Gladys Reeve | Continuity |