Tennant voiced the role of Cassie Rice in Doctor Who: Dreamland in 2009,[17] and portrayed Lady Vivian in the "Sweet Dreams" episode of the BBC drama Merlin.[18] She joined the cast of BBC medical drama Casualty as junior doctor Heather Whitefield, her character was killed off at the start of her second episode.
In June 2010, she performed in the short play Hens, which ran for four performances at the Riverside Studios and was later broadcast on Sky Arts 2,[19] and played a cameo role in the television drama Thorne: Sleepyhead as the wife of one of the junior detectives (appearing in one scene in episode two, and one non-speaking scene in episode three). In March 2011, she landed the role of Emma in the BBC Three sitcom White Van Man,[20] which ran for two series before being cancelled. In May 2012, Tennant made her West End debut in the play What the Butler Saw at the Vaudeville Theatre in London.[21] The play received poor reviews and ticket sales, and on 13 July the production announced via their website that the play had been cancelled and would be ending the following week, a month earlier than scheduled.[22][23][24]
In November 2013, Tennant appeared in and produced the Doctor Who homage anniversary webcast The Five(ish) Doctors Reboot; as a producer she was credited under her married name of Georgia Tennant (though her initial acting appearances were credited under Georgia Moffett). It was written and directed by her father, and featured cameo appearances by her husband and her two older children (she was at the time of filming heavily pregnant with her third, and the webcast features a scripted scene of her going into labour).
Tennant produced and starred in a short film opposite her husband David Tennant called 96 Ways To Say I Love You, which premiered at the London Independent Film Festival in April 2015.[25] In 2017, she returned to acting with a small role in BBC drama miniseries In the Dark, credited as Georgia Tennant.[26] That same year, she produced a comedy film starring her husband called You, Me and Him. In 2018, the first series of the Big Finish audio drama Jenny: The Doctor’s Daughter was released, with Tennant reprising her role from the 2008 Doctor Who episode "The Doctor's Daughter" as the protagonist. The second series was released in 2021,[27] with the third series following in 2024.[28] From 2019, she produced her husband's podcast series David Tennant Does a Podcast With...[29] In 2020, David Tennant and Michael Sheen[30] starred in the six-part comedy Staged, filmed during the COVID-19 lockdown, with Tennant producing the series and also acting in a supporting role. She reprised her role in the second and third series of the show.[31][32]
In the 2022 television series The Horne Section she played the part of Ash. [33] In the same year, she lent her voice to dog Kika in the British television series Dog Squad.[34]
In 2024, ahead of the release of Rivals, she re-recorded the audiobook of the same title that was released in 1988.[35]
Personal life
Tennant is married to Scottish actor David Tennant as of 2011. The couple live in Chiswick and have five children together including Ty from a previous relationship.
Tennant is a patron of Straight Talking, a charity set up to educate young people about teenage pregnancy.[36]
In 2018, Tennant was diagnosed with and successfully treated for early stage cervical cancer.[37]
She is an outspoken ally to the LGBTQ community, having shared multiple posts in support on her Instagram as well as publicly wearing pins in the colours of trans- and non-binary flags.[38][39]