The King's sister befriends the Doctor and Vicki and solicits the Doctor's help in discovering what plans her brother has. Barbara finds shelter, but El Akir's men are closing in.

The TARDIS takes the Doctor and Jo to a barren world in the far future where human colonists are scratching a living. But at night, the colonists are menaced by a monster.

Glen McCoy is a writer, speaker and business coach.

As television scriptwriter McCoy's credits include Angels, Emmerdale, EastEnders and other soaps. He also had a spell with the London Ambulance Service at 19, and became one of the early batch of paramedics. It was during this time that he wrote Ambulance! (1982) published by David & Charles.

One of his earliest commissioned BBC scripts was Timelash for Doctor Who, screened in 1985. He subsequently novelised the story for Target Books. In 2006, he returned to Doctor Who when he contributed a story to Short Trips: The Centenarian, published by Big Finish Productions.

His business books include: Jobs in the Ambulance Service and Hospitals (Kogan Page), Getting Out of Debt (Management Books), Extraordinary Customer Care (Management Books) and Guerrilla Coaching (Management Books). McCoy has worked for companies like Vodafone, More Than, Land Rover, Mars, Phones 4u and Digicel

He recently founded Carpe World, a 7-minute coaching-by-phone business, as well as FireStarter, a short, sharp practical course in NLP and Business NLP with accreditation.

Stephen Churchett  is a British actor and writer.  He appeared in the Doctor Who episode Attack of the Cybermen in 1985.

One of his most notable roles was as solicitor Marcus Christie in EastEnders, on and off from 1990 to 2004.

He has also appeared in various television programmes, including Up Pompeii!, Enemy at the Door, C.A.T.S. Eyes, Casualty, 'Allo 'Allo!, The House of Elliot, The Brittas Empire, Peak Practice, Silent Witness, Dangerfield, The Bill and Dalziel and Pascoe.

He has written episodes of The Bill, Kavanagh QC, Inspector Morse, Dalziel and Pascoe and Hornblower, as well as writing the screenplay for Lewis, and writing five Marple television adaptations.

Actor who played Amyand in Planet of Fire

John "Basher" Alderson led a colorful life considering his origins in a mining village in the north of England. After spending all of two weeks as a miner, he lied about his age, joined the British Army and attained the rank of Major. Leaving for the US, he married a General's secretary and got into the movies, often playing villains. He played (uncredited) the Gum Chewer in Blazing Saddles.

Oswald Hafenrichter was a Yugoslavian-born film editor began his career with a series of German films in the early 1930s and some Italian films in the mid-1940s.

He moved to England at the end of World War II, initially living in Hampstead where he married his wife Edith (Burbeck) in 1948, before later moving in Chiswick. He worked on some prestige British films of the time including An Ideal Husband in 1947. He also worked on classic films for Carol Reed, The Fallen Idol in 1949 and The Third Man the following year, for which he received an Academy Award nomination.

Hafenrichter then alternated between Italy and England for the rest of his career, ending his career in the 1970s editing a series of Hammer horror films. He continued to live in Chiswick until his death.

He was the editor of the 1966 feature film Dr. Who and the Daleks.