Film:
* The King's Speech (2010): As Queen Elizabeth, wife of King George VI, she delivers a nuanced portrayal of the Queen.
* The Love Punch (2013): A comedic role as a lawyer, she brings her trademark wit to the film.
* The Program (2015): She plays the role of the wife of Lance Armstrong, the cyclist at the center of the doping controversy.
* Philomena (2013): A powerful performance as a reporter who helps Philomena Lee find her lost son.
* The Last Photograph (2021): A thriller in which she plays a woman searching for her lost love.
* The Electrical Life of Louis Wain (2021): She plays a passionate and supportive woman in the life of the renowned artist.
Television:
* Nurse Jackie (2009-2015): One of her most notable roles as Dr. Eleanor O'Hara, a complex and compelling character who grapples with addiction.
* The Honourable Woman (2014): She played Nessa Stein, a role that earned her critical acclaim.
* The Crown (2016): She portrayed the ambitious and intelligent Princess Margaret in season 3.
* The Great (2020-present): Currently playing Catherine the Great in this historical comedy, she delivers a strong and nuanced portrayal of the Russian Empress.
* The Pursuit of Love (2021): She played the role of the formidable Aunt Sadie, a woman navigating the complexities of love and life in post-war Britain.
Stage:
Eve Best is also a highly regarded stage actress, having performed in various productions on both the West End and Broadway. Notably, she received a Tony Award nomination for her performance in the play "A Moon for the Misbegotten."
This is not an exhaustive list, but it highlights some of Eve Best's most notable and impactful projects across film, television, and theater.