Arabella Weir

Arabella Weir played an alternative, alcohol-addled female version of the Doctor in Exile, part of the Doctor Who Unbound series of audio adventures produced by Big Finish Productions. Joanna Lumley and she are the only two women to play the Doctor in a BBC-licensed production. Weir is to date the only American-born actor to portray the character — although she is not considered an American.

She also played Billis in the 2011 Doctor Who Christmas Special, The Doctor, the Widow and the Wardrobe.

The daughter of former British ambassador Sir Michael Weir, she is a famous for her roles in (alongside Mark Williams) and  books including  (a catchphrase of one of her characters in the show) and, first published in 1999. Arabella also writes articles for periodically. These articles, although mainly about recent events, commonly include details regarding Arabella's life and the things that she considers to be pestiferous.

Weir wrote and starred in the 2003 comedy series, co-starring Richard E Grant. David Tennant made a few guest appearances in that series as well. She contributes to the popular BBC2 comedy series,.

She was a regular cast member of the BBC Radio 4 comedy series and provides the voice for the puppet duck character Hana in the forthcoming children's TV show.

She is married to Dr Jeremy Norton, and they have two children. David Tennant is a long-term friend of Weir's, and is godfather to their youngest child. He and Weir met in 1994 when they acted in the Scottish TV series Takin' Over the Asylum together, and when Tennant moved to London the following year, he moved into Weir's house, being her lodger for several years.