Anna-Louise Plowman
From Tardis Wiki, the free Doctor Who reference
Anna-Louise Plowman (born 9 May 1972[1]) played Diana Goddard in the Doctor Who television story Dalek and Dr. Jennifer Harrison and an uncredited role of Penelope in the Big Finish audio story The Helliax Rift.
Career
She is also known for her role(s) as Dr Sarah Gardner and the Goa'uld Osiris in Stargate SG-1. Born into a New Zealand family, Plowman attended the London Academy of Music and Dramatic Art.
Personal life
She married actor Toby Stephens in London in 2002 and so has actress Maggie Smith as her mother-in-law and Chris Larkin as her brother-in-law.