Ruta was born on 23 August 1983. She grew up in Stockholm and then Buckinghamshire. Gedmintas was born in England to Lithuanian Parents, and trained at the Drama Centre London under Reuven Adiv. She 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. Her most prominent roles to date are as Elizabeth Blount in Showtime's The Tudors. 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. She debuted on Do No Harm, an American drama on January 31, 2013 on NBC. She plays Olvia Flynn as a main character. The new programme had 3.3 millions viewers on the first episode.
2025The Gorge as WWII Scientist
2022The Sandman (1 Episode) as Queen Titania
2019His Dark Materials (13 Episodes) as Serafina Pekkala
2016A Street Cat Named Bob as Betty
2015The Incident as Annabel
2014The Strain (46 Episodes) as Dutch Velders
2014Exit Log as Amy
2013Do No Harm (13 Episodes) as Olivia Flynn
2013Help Point as Maya
2012Ripper Street (1 Episode) as Clara Silver
2011You Instead as Lake
2011Exteriors as Pearl
2010Lip Service (12 Episodes) as Frankie Alan
2010Prowl as Susie
2009Zac Efron's Pool Party as Self
2009The Athlete as Charlotte
2008The Lost Samaritan as Elle Haas
2008Spooks: Code 9 (6 Episodes) as Unknown
2008Miss Conception as Alexandra
2007The Tudors (3 Episodes) as Elizabeth Blount
2006The Innocence Project (8 Episodes) as Mary Jarvis
2001Waking the Dead (2 Episodes) as Shelly Martin