The Doctor and Sarah return to a deserted London. Where have the population gone, and why is the city under martial law.

Starring Colin Baker
A two-part story by Paula Moore
With the Doctor a prisoner of the Cybermen, he is finding it difficult to solve the riddle of Halley's Comet.
*CEEFAX SUBTITLES

Graham, Yasmin, Ryan and the Doctor discover that the luxury resort where they are holidaying is hiding a number of deadly secrets. What are the ferocious monsters attacking Tranquility Spa?

Stewart Wright is an English actor.

He played Nick Levick in the award winning mockumentary series People Like Us (1999).

He took a break from acting in 2006 to focus on developing his own work. This experimental period included a collaboration with Will Adamsdale to create a series for BBC Radio 4, among other projects. He returned to acting in 2009 through productions at Bristol Old Vic and was back on television starring alongside Alison Steadman in ITV's Love and Marriage in 2013.

He now combines his acting career with his own projects.

Lewis Fiander was an Australian film, stage and television  actor.

Moving to the UK from his native Australia, initially to appear in the play "The One Day of the Year", he appeared in such films as Dr. Phibes Rises Again, Dr. Jekyll and Sister Hyde and Not Now Comrade. His first major role on television was Mr Darcy in the BBC serialisation of Pride and Prejudice (1967).

In 1970, he originated the role of John Adams in the London stage production of 1776, a role he reprised in Australia.

Other stage appearances in West End musicals included the roles of Lord Melbourne and Disraeli in I and Albert, Coward in Noel and Gertie and Puccini in Cafe Puccini.

He returned to Australia in the 1980s, appearing in such things as Tanamera: Lion of Singapore, Inside Running, Bangkok Hilton, The Feds, Blight, The Genie from Down Under and the Australian-filmed Mission: Impossible.

He was reported to have died from a stroke in mid May.

Bella Emberg (born in Hove, Sussex, England, UK) is a British actress probably best known for her appearances on The Benny Hill Show and The Russ Abbot Show, where she notably played Blunderwoman. She has also appeared in Softly, Softly and Z Cars.

Her professional debut was in weekly repertory in Ryde on the Isle of Wight in the summer season of 1962.

She made a guest appearance on The Basil Brush Show and has featured in Doctor Who a number of times. In the 1970s she had uncredited roles in the Third Doctor serials Doctor Who And The Silurians (as a nurse in episode 6) and The Time Warrior (as a kitchen maid in episode four). In 2006 she was seen in the Tenth Doctor adventure Love & Monsters, where she played Mrs Croot. A second appearance as Mrs Croot was recorded for The Runaway Bride but cut before transmission. She played the part of Aunt Barbara in the second series of the CBBC programme Bear Behaving Badly in 2008, the third series in 2009, and the fourth in 2010.

Revised biography from the Wikipedia article, licensed under CC-BY-SA