Teaming up with his old friend, the Doctor realises that an ancient conflict is nearing its conclusion -- and Lanyon Moor is set to be the final battleground.
- The Doctor - Colin Baker
- Dr. Evelyn Smythe - Maggie Stables
- The Brigadier - Nicholas Courtney
- Mrs. Moynihan - Susan Jameson
- Philip Ludgate - Barnaby Edwards
- Professor Morgan - Toby Longworth
- Sir Archibald Flint - James Bolam
- Nikki Hunter - Helen Goldwyn
to be added
- This is Nicholas Courtney's first appearance as the Brigadier in a Big Finish audio, he had previously appeared as Wolsey the cat in BFBS: Oh No It Isn't!.
- The Spectre of Lanyon Moor occurs after: The Marian Conspiracy.
- The Spectre of Lanyon Moor occurs before: The Apocalypse Element