| Story: | 121 | Writer: | David Segal |
| Code: | 56C | Production details: | 1986 $egal/CHORD Productions |
| Number: | 21C56 |
| Trailer | 1 | 2 | 3 | 4 |
| Unavailable |
A blooper features within The Making of an Audio Series (1ARG).
| Doctor Who | - | David Segal | (all) |
| Susie Jo Parker | - | Karen Walters | |
| Landon | - | Greg Hamner | |
| Dillion | - | Cile Whitticker | |
| Colonel Crichton | - | Ian Dodds | |
| UNIT Aide | - | Mark Forrester |
| Script Editor | Michael Brennan |
| Title Music | Peter Howell |
| Graphics | Jeri Rogers |
| Story by | David Segal |
| Special Sounds | ? |
| Title Sequence by | Sid Sutton |
| Everlasting Films | |
| Bernard Lodge | |
| Produced by | Timothy Roberson |
| Executive producer | Richard Segal |
| Directed by | ? |