Writing Credits (in alphabetical order)
| Rachel Grieve | ... | (writer) |
Cast (in credits order)
| Gillian Lind | ... | Caroline | |
| Valerie White | ... | Nina | |
| Frank Allenby | ... | Doctor David Russell | |
 |
John Grant | ... | Charles |
| Shelagh Fraser | ... | Barbara | |
| Peter Cushing | ... | Nick Grant | |
| Dandy Nichols | ... | Mrs. Mack | |
Produced by
| Stephen Harrison | ... | producer |
Art Department
| Barry Learoyd | ... | setting |
