Cast & crew
Blood Suckers (1971)
Directed by Robert Hartford-Davis, Julian More Written by Julian More
Cast
| Patrick Macnee | Longbow |
| Edward Woodward | Holstrom |
| Alexander Davion | Seymore |
| Valerie Van Ost | Melartin's Wife |
| Françoise Pascal | (uncredited) |
| Marianne Stone | Cheerful |
| Peter Cushing | Dr Chaleck |
| Johnny Sekka | Kirby |
| Madeleine Hinde | Penelope Clearwater |
| William Mervyn | Honeydew |
| Patrick Mower | Fountain |
| David Lodge | Colonel |
| Imogen Hassall | Chriseis |
Crew
| Peter Newbrook | Executive Producer |
| Maxine Julius | Assistant Editor |
| Dennis Whitlock | Sound Recordist |
| Ronnie Maasz | Camera Operator |
| Graham Harris | Producer |
| Robert Richards | Music |
| Peter Thornton | Editor |
| Desmond Dickinson | Director of Photography |
| Julian More | Screenplay |
| Tony Dawe | Sound Recordist |
| Robert Hartford-Davis | Director |
| George Provis | Production Design |
| Don Deacon | Dialogue Editor |
| Julian More | Director |