Someone at the Top of the Stairs (1973) — Cast
Cast
| Richard Corbet | Chauffeur |
| Charles Hill | Policeman |
| David de Keyser | Cartney |
| Clifford Parrish | Harold Lutz |
| Francis Wallis | Aviva Masters |
| Laura Collins | Thirsty Thurston |
| Brian McGrath | John Rambo |
| Donna Mills | Chrissie |
| Rhoda Lewis | Emma |
| Judy Carne | Gillian |
| Gilly Flower | (uncredited) |
| Alan Roberto | Jonathan Ferris |
| Scott Forbes | Patrick Burke |
| Peter Cellier | Colonel |
| Alethea Charlton | Mrs. Dunn |
Crew
| John Sichel | Director |
| Brian Clemens | Writer |
| John Sichel | Producer |
| Cecil Clarke | Executive Producer |
| Laurie Johnson | Music |