Cast
- Tom Baker (The Doctor)
- Lalla Ward (Romana)
- Matthew Cottle (Mr Maxwell Wilberforce Bell)
- Abigail McKern (Mrs Lucretia Bell)
- Robbie Stevens (Mr Jelicho Wigg / Mr Wilfer Wagstaff)
- Jane Slavin (Miss Arabella Wagstaff / Mrs Betsy Wagstaff)
- John Banks (Silex / Mr Stoker)
Doctor Who - The Fourth Doctor Adventures
6.6. Doctor Who: Subterranea
Written by Jonathan Morris
Starring Tom Baker Lalla Ward
