Trapped in an isolated cottage, Captain Cavendish thinks he is seeing ghosts. The only person who might understand and help is Kate...

Retired commander of the United Nations' Intelligence Taskforce, and long-time associate of the mysterious time traveler the Doctor, Brigadier...

Gordon "Gordy" Lethbridge-Stewart thought he had left the world of his grandfather behind him. As a research scientist, all he was interested in was...