Screen Rundle started her career in the British
horror comedy film
Small Town Folk in 2007 opposite
Warwick Davis. In 2012, she starred in the
ITV four-part television
miniseries period drama,
Titanic, created by producer
Nigel Stafford-Clark and written by
Julian Fellowes, which is based on
the sinking of the RMS Titanic. Later that year, she guest-starred as Labia in the British/American television sitcom
Episodes opposite
Matt LeBlanc and
Stephen Mangan, which aired on
Showtime and
BBC Two. Also in 2012, Rundle appeared in
Great Expectations directed by
Mike Newell. The film premiered at the
2012 Toronto International Film Festival and was released in the UK on 30 November 2012. Rundle also played Sefa in the two-part episode ''Arthur's Bane
of the final season of the BBC TV series Merlin''. She played a lead role in the
ITV mystery drama series
The Bletchley Circle (2012–2014), about four women who investigate a series of murders, She also appears as Ada Shelby in the BBC Two period
crime drama series
Peaky Blinders, based on the memoirs of the Shelby family, whose many brothers, sisters, and relatives make up the fiercest gang of all in interwar Birmingham. On mastering the
Brummie accent during production, Rundle said that she and the rest of the cast had struggled with it at first because it is not heard much on television, but managed to master the accent after a set visit in Birmingham. Rundle played the lead role of Fiona Griffiths, a young
detective constable in the
Sky Living two-part crime series
Talking to the Dead, based on the eponymous novel by Harry Bingham. It was adapted by
Golden Globe Award-nominee
Gwyneth Hughes. On playing Fiona Griffiths, Rundle did some research on
Cotard's Syndrome to portray Griffiths accurately. Rundle guest-starred as Pamela Saint, a young mother who suffers mental health problems after delivering her child, in the seventh episode of the third series of the BBC medical period drama series
Call the Midwife, which aired on 2 March 2014. She also starred in the six-part
BBC One police procedural series
Happy Valley thus killing her. The series debuted on 29 April 2014, and was created by
Sally Wainwright which stars
Sarah Lancashire and
Steve Pemberton. Rundle starred as Eva Smith/Daisy Renton in
Helen Edmundson's
BBC adaptation of
J. B. Priestley's
An Inspector Calls, which also starred
David Thewlis portraying the title role,
Ken Stott and
Miranda Richardson. The drama was directed by
Aisling Walsh and was broadcast on
BBC One on 13 September 2015. In June 2015, Rundle starred as Jenny in the
Channel 4 sitcom
Not Safe for Work alongside
Zawe Ashton,
Tom Weston-Jones,
Samuel Barnett,
Sacha Dhawan and
Anastasia Hille. The series was created and written by playwright
D. C. Moore and was broadcast on 30 June 2015. Rundle also portrayed Honoria Barbary in
BBC's 20-part a reworking of an ensemble of characters created by
Charles Dickens, in
BBC One's
Dickensian (2015). which is loosely based on Gold Group International
CEO,
Jacqueline Gold's 1995 memoir,
Good Vibrations. In 2017, Rundle starred in
Sky 1's drama
Jamestown as Alice Kett, one of the "'maids to make wives' who sailed 3,700 miles across the Atlantic to marry a stranger in the New World." In 2018, Rundle appeared in the six-part thriller,
Bodyguard created by
Jed Mercurio, with
Keeley Hawes and
Gina McKee, broadcast on
BBC One. The series tells the fictional story of a war veteran now working as a Specialist Protection Officer for the Royalty and Specialist Protection Branch (RaSP) of London's
Metropolitan Police. In the same year, Rundle portrayed wealthy heiress
Ann Walker, in the joint production between
BBC One and
HBO biographical drama series about a real-life lesbian couple living in the North of England in the 19th century, titled
Gentleman Jack, alongside
Suranne Jones and
Timothy West. As the series is created by
Sally Wainwright, whom Rundle has worked with in
Happy Valley, Rundle explained that she was used to Wainwright's writing and intended to be involved before receiving an email regarding the offer to be cast in the series, and was enthused after reading the scripts. In 2019, Rundle portrayed
Princess Diana in an episode of the
Sky Arts'
Urban Myths series, with
David Avery as
Freddie Mercury and
Mathew Baynton as
Kenny Everett. In 2020, Rundle starred alongside
Martin Compston in
BBC One programme,
The Nest, In February 2023, Rundle starred in the ITV six-part mystery thriller series titled
After the Flood as PC Joanna Marshall, a police officer investigating the death of a man after a natural disaster struck.
Stage In February 2013, Rundle played Bunty Mainwaring in
Stephen Unwin's production of
Noël Coward's
The Vortex at the
Rose Theatre, Kingston. In December 2014, she played Lucia Kos in a new play titled
3 Winters by London-based Croatian playwright
Tena Štivičić, about the Kos family, living at three crucial periods in Croatian history. The play is directed by
Howard Davies at the
National Theatre. ==Personal life==