Originally from Southampton, the British singer-songwriter Louisa Rose Allen is based in London. Using the stage name "Foxes", she started performing in 2011 and found fame featuring in the song "Clarity" from Zedd. The very successful song has led to her winning a Grammy Award for Best Dance Recording on 26th January 2014.

Her debut album is called "Glorious", and at the time of her filming a role in Doctor Who she was engaged on a UK tour for the album.

Jo Martin is a British actress.

She played Natalie Crouch in the BBC One sitcom The Crouches, which aired between 2003 and 2005. She joined the cast of Holby City in 2019 as neurosurgeon Max McGerry.

Martin portrayed an incarnation of the Doctor known as the Fugitive Doctor.

Richard Mitchley played Arrex in the 1987 story Delta and the Bannermen and voiced Gissing in Torchwood: Golden Age.

Also worked on High Hopes, Auf Wiedersehen, Pet, The Black Adder

Anita Dobson is best known as the neurotic pub Landlady Angie Watts in the BBC soap EastEnders, playing the role from the series launch in 1985 until 1988. Other television roles include the 1989 ITV sitcom Split Ends.

In 2003, she was nominated for the Olivier Award for Best Actress for the National Theatre production of Frozen. She has also starred in the West End as Mama Morton in the musical Chicago (2003) and Gertrude in Hamlet (2005), and made her RSC debut in the 2012 revival of The Merry Wives of Windsor. Her film appearances include Darkness Falls (1999) and London Road (2015).

William Squire was a Welsh actor of stage, film and television.

He played the Shadow in the 1979 Doctor Who story The Armageddon Factor.

His best-known role was as the superior of secret agent David Callan in the spy series Callan in the early 1970s.

His varied screen roles included Thomas More in the 1969 film version of Maxwell Anderson's play Anne of the Thousand Days, Sir Daniel Brackley in the 1972 television adaptation of Robert Louis Stevenson's The Black Arrow, the voice of Gandalf in the 1978 animated version of The Lord of the Rings.

Sue Stapley was a Production Assistant on Doctor Who.

She worked for BBC TV Drama Department for several years from 1966 to 1973, working on a number of seminal series including Z Cars, Dr Who, Kipling, The Brothers, Mask of Janus and others. 

After leaving the BBC she requalified as a solicitor. She was Head of Public Relations at the Law Society of England and Wales before moving into consultancy, as a director of Fishburn Hedges, the award-winning London communications and design consultancy. She later operated independently.

She was a Trustee of the London Academy of Music and Dramatic Art, a board member of the Media Standards Trust and of Brighton Dome & Festival.