Trailer
 | Judy Parfitt as Helen Anstey |
 | Alan Cullen as Telephone Caller (voice) |
| Geoffrey Wearing as Telephone Caller (voice) |
| Patricia Franklin as Telephone Caller (voice) |
| Michael Gover as Telephone Calle (voice) |
 | David Hargreaves as Telephone Caller (voice) |
 | Colin McCormack as Telephone Caller (voice) |
 | Dorothy Vernon as Telephone Caller (voice) |
| Directing | |
| Roy Battersby | Director |
Production | |
| Frank Hatherley | Producer |
Writing | |
| Brian Clark | Writer |
