Rosie Sheehy is a Welsh stage and screen actor, known for her work with the Royal Shakespeare Company, the Royal National Theatre, The Old Vic and for her critically acclaimed performances in London theatre. A graduate of the Royal Academy of Dramatic Art (RADA), she has been recognised for her emotional range in both classical and contemporary roles. Sheehy received a Laurence Olivier Award nomination for Best Actress for her performance as the Young Woman in Machinal at the Old Vic in 2024. She went on to be nominated the following year for her groundbreaking performance as her in â Guess How Much I Love You.âÂÂ
Sheehy was born and raised in Port Talbot, Wales, a community noted for its vibrant theatrical lineage and for nurturing several prominent performers. She has acknowledged the town's artistic identity as formative in her development as an actor. She later trained at the Royal Academy of Dramatic Art (RADA) in London.
Sheehy has performed extensively on stage with the Royal Shakespeare Company, the Royal National Theatre, and leading London theatres.
She made her London stage debut in The Hairy Ape (Old Vic), playing Mildred, directed by Richard Jones. She went on to appear in Uncle Vanya at Theatr Clwyd and Sheffield Theatre as Sonya, a performance that won the Best Female Performance in the English Language Award at the Wales Theatre Awards.
Other notable stage performances include:
Critics have widely praised Sheehy's performance in Machinal. Time Out described her work as "astonishing," noting how she "nails a different aspect of alienation ⦠her feral screams ⦠become increasingly incapable of suppressing her disgust."
The Reviews Hub wrote: âÂÂRosie Sheehy gives a towering central performance that will be talked about for decades.âÂÂ
In The Guardian, Arifa Akbar wrote that she "cements her reputation as an astounding stage talent."
Reviewing the transfer to London, The Standard called her "gobsmacking," adding that "once in a while a ⦠lead performance comes along which makes theatre history."
For The Brightening Air, critics again singled her out. Time Out described the play as "a bittersweet drama ⦠SheehyâÂÂs tough but intensely vulnerable Billie ⦠it will be decades before the world is ready for her."
Financial Times praised her as "outstanding as Billie, whose frankness makes her both vulnerable and insightful, and who is ⦠the anchor of the play." The Standard noted: âÂÂRosie Sheehy ⦠adds to her unbroken run of transfixingly vivid roles ⦠She gives the character ⦠a twitchily unpredictable conviction.âÂÂ