- Can play the piano.
- Got her start in youth theater productions.
- Attended Italia Conti Academy of Theatre Arts, whose alumni include Doctor Who actors William Hartnell and Bonnie Langford and Doctor Who director Graeme Harper.
- Played several characters on the sketch-comedy series The Kevin Bishop Show.
- Portrayed a soothsayer in the 2008 Doctor Who episode "The Fires of Pompeii" before landing the role of the Doctor's companion, Amy Pond.
- Marie Gillan — Mother
- John Gillan — Father
- Attended Edinburgh's Telford College, Edinburgh, Scotland; attended Italia Conti Academy of Theatre Arts, London, England
- Birth Name: Karen Sheila Gillan
- Birth Place: Inverness, Scotland
- Birthday: November 28, 1987, Sagittarius
- Profession: Actor