![]() |
Mark Eden as Stephen Kershaw |
![]() |
Deborah Watling as Sarah Richards |
![]() |
Sara Aimson as Freda |
![]() |
John Allison as Geoffrey Harrison |
![]() |
John Baskcomb as Eric Lonsbury |
![]() |
Erik Chitty as Dr. Hammond |
![]() |
Noel Davis as Davison |
![]() |
Susan Field as Mrs. Richards |
![]() |
Kenneth Gardnier as George |
![]() |
Nadine George as Florrie |
![]() |
Richard Hampton as Chief Supt. Mailer |
![]() |
Keith Pyott as General Harboard |
![]() |
Stephen Whittaker as Harold |
| Writing | Michael Imison | Story Editor |
| Directing | Naomi Capon | Director |
| Writing | John Rankine | Story |
| Writing | Robert Gould | Adaptation |
| Production | Irene Shubik | Producer |
| Production | George Spenton-Foster | Associate Producer |
| Art | William McCrow | Production Design |
| Sound | Norman Kay | Theme Song Performance |