Ruta Gedmintas (Lithuanian: Rūta Gedmintas;^[1] Lithuanian pronunciation: [ruːˈtɐ̂ ˈɡʲæ̌ːdʲmʲɪntɐs]) is a British actress known for her work on television, her credits include The Innocence Project (2006–2007), The Tudors (2007), Spooks: Code 9 (2008), The Borgias (2011), Lip Service (2010-2012), The Strain (2014–2017), and His Dark Materials (2019–2022).

Gedmintas was born in Canterbury, Kent, the daughter of a Lithuanian father and an English mother.^[1] She grew up in Buckinghamshire and trained at the Drama Centre London under Reuven Adiv.^[1]

Gedmintas appeared in Spooks: Code 9 as Rachel Harris, a former police officer. She has also had guest roles in the BBC's Waking the Dead and ITV1's The Bill. She also appeared as Elizabeth Blount in Showtime's The Tudors.^[1] In 2010 she worked on the independent films Zerosome and Atletu (aka The Athlete); and then starred as Frankie in BBC Three's Lip Service.^[2][3]

Gedmintas appeared in the American drama Do No Harm as Olivia Flynn. The series aired for one season from January through September 2013 before being cancelled. She starred in an episode of the critically acclaimed show Ripper Street.^[4] She also starred in The Strain as Dutch, a computer hacker.^[5] In 2019 she was cast as Serafina Pekkala in His Dark Materials.

Gedmintas starred in the play Unfaithful at London's Found111, alongside Sean Campion, Niamh Cusack, and Matthew Lewis.^[4] She played Astrid in Backbeat,^[4] a play about The Beatles.^[4]

She played Sophie in the black comedy Stag.^[4] She was Betty, an animal-loving neighbour in A Street Cat Named Bob,^[4] released in November 2016.^[4]