She has appeared in British series including Armstrong and Miller, Smack the Pony, Coupling, The Worst Week of My Life, Green Wing, Marley's Ghosts and Jonathan Creek.
[1] Her father, Frank Smith, was a television producer and director on factual shows such as Panorama; he died when she was still at school.
In 2000, she appeared in the comedy The Strangerers, as well as becoming co-host of the final series of the current-affairs satire The 11 O'Clock Show, alongside Jon Holmes.
Other British TV roles included Mel in The Worst Week of My Life and Angela Hunter in the hospital comedy Green Wing.
Alexander appeared as Alice Fletcher in NBC's short-lived remake of the British comedy series Teachers, before roles in the films I Could Never Be Your Woman and Stardust (both released in 2007).
[12] Alexander has contributed to the BBC charity telethon Comic Relief, appearing in 2001 as a judge based on Nicki Chapman in a parody of Popstars, in 2003 as Liza Goddard in a spoof of Blankety Blank, and, in 2005, in a celebrity version of University Challenge.
", appearing in sketches as "woman overheard in cafe", "tory MP Nadine Boris", and "phone-in show caller".