The Doctor discovers that the alien is Linx - a Sontaran warrior trying to repair his spaceship. Sarah is convinced that the Doctor is responsible for the abductions.

Aurora Marion was born in Uccle, Belgium.

She is an actress, known for A Wedding and Almayer's Folly.

Tracy Louise Ward, Marchioness of Worcester, frequently referred to as Tracy Worcester (born in London, England) is a former actress, now an environmental campaigner.

She is a daughter of the Hon. Peter Ward (a younger son of the third Earl of Dudley and formerly chairman of the family business, Baggeridge Brick PLC) and his first wife, Clare Baring, the only child of Giles Baring. She is the sister of British actress Rachel Ward and also has one brother and two half-brothers.

Her great-grandfather, William Ward, 2nd Earl of Dudley, was Lord Lieutenant of Ireland in the early 20th century, and then Governor-General of Australia. He was the son of Georgina Ward, Countess of Dudley.

Tracy Ward grew up on her father's estate at Cornwell, Oxfordshire. After gaining three 'A'-levels, she went to Paris as a model, and then to work at Christie's in New York, first as a secretary and later as an art dealer. In her early 20s, she trained for an acting career at the Academy of Live and Recorded Arts, London and the London Drama School.

As an actress, she is best remembered for her role as Tessa Robinson in the 1980s television detective series C.A.T.S. Eyes and as the first Miss Scarlett in the television drama game show Cluedo. She also had a part in the Doctor Who serial Timelash. Her theatre credits include: Our Day Out (Nottingham Playhouse) and Intimacy (Cafe Theatre).

In 1987, Tracy Ward married Henry Somerset, Marquess of Worcester, a farmer and chartered surveyor who is heir to the Duke of Beaufort. They have three children, Robert, Earl of Glamorgan (1989), Lady Isabella Somerset (1991), and Lord Alexander Somerset (1995).

In 1989, Tracy Worcester began working with Friends of the Earth. Since then, she has been active in green politics as patron of the International Society for Ecology and Culture, a trustee of The Gaia Foundation, the Schumacher Society and the Bath Environment Centre, patron of the UK's Soil Association, and as a member of the advisory board of The Ecologist magazine and a member of the International Forum on Globalisation. She was also a member of the Referendum Party, opposed to greater European union.

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Hugh Anthony Quarshie is a British actor.

Quarshie is of mixed Ghanaian, English and Dutch ancestry and was born in Accra, Ghana, to Emma Wilhelmina (née Philips, 1917–2004) and Richard Quarshie, an African of chieflyancestry, and emigrated with his family to the United Kingdom when he was aged three. He was educated at Bryanston School (Dorset), Dean Close School (Cheltenham), where he played the role of Othello in an open air production in the Tuckwell theatre, and then read PPE at Christ Church, Oxford. Quarshie considered becoming a journalist, but took up acting instead. He is a member of the Royal Shakespeare Company, and has appeared in many stage productions and television programs, including Behaving Badly with Judi Dench.

Quarshie is known for playing the roles of Sunda Kastagir in Highlander and Captain Panaka in "Star Wars: The Phantom Menace". Quarshie appeared in the Doctor Who two-part episode "Daleks in Manhattan" and "Evolution of the Daleks" as Solomon, leader of the shantytown Hooverville in April 2007. He also appeared at the Star Wars fan event Star Wars Celebration in 1999.

He also appears in the hospital drama series Holby City as Ric Griffin. He leads the cast of Michele Soavi's The Church as Father Gus and plays Aaron the Moor in the BBC Television Shakespeare Titus Andronicus.

Quarshie has narrated a number of television programmes, including the 2006 documentatary Mega Falls of Iguacu about the Iguaçu Falls, and the 2009 TV adaptation of Small Island. In 2010 he narrated the BBC Wildlife series Great Rift: Africa's wild heart. In September 2010 he appeared in an episode of Who Do You Think You Are?, tracing his Ghanaian and Dutch origins.

_{Biography from the Wikipedia article, licensed under CC-BY-SA}  

Noel Edmonds is an English broadcaster and executive, who made his name as a DJ on BBC Radio 1 in the UK. He has presented light entertainment television programmes, including Multi-Coloured Swap Shop, Top of the Pops, The Late, Late Breakfast Show and Telly Addicts. He currently presents the Channel 4 game show Deal or No Deal and the Sunday edition of Sky1's Are You Smarter Than A Ten Year Old? and previously the topical Sky1 show, Noel's HQ.

Actor who operated a Dalek in the first Dalek story in 1963