| Year | Title | Character | Theatre | Ref. |
| 2004 | By the Bog of Cats | Caroline Cassidy | Wyndham's Theatre London, England | |
| The Kindness of Strangers | Cheryl | Liverpool Everyman Liverpool, England | |
| 2006 | Everything is Illuminated | Brod | Hampstead Theatre London, England | |
| O Go My Man | Elsa | Royal Court Theatre London, England | |
| 2007 | Someone Else's Shoes | Mary | Soho Theatre London, England | |
| 2009 | The Grouch | Celia | West Yorkshire Playhouse Leeds, England | |
| Six Characters in Search of an Author | Stepdaughter | Chichester Festival Theatre Chichester, England | |
| Gielgud Theatre London, England |
| 2009 | The Birds | Julia | Gate Theatre Dublin, Ireland | |
| 2010 | The Plough and the Stars | Nora Clitheroe | Abbey Theatre Dublin, Ireland | |
| Jesus Hopped the 'A' Train | Mary Jane Hanrahan | Trafalgar Studios London, England | |
| 2011 | The Painter | Jenny Cole | Arcola Theatre London, England | |
| 2012 | Our New Girl | Annie | Bush Theatre London, England | |
| Desire Under the Elms | Anna Putnam | Lyric Hammersmith London, England | |
| 2014 | Adler and Gibb | Louise | Royal Court Theatre London, England | |
| The Duchess of Malfi | Julia | Sam Wanamaker Playhouse London, England | |
| 2015 | People, Places and Things | Emma | Dorfman Theatre National Theatre London, England | |
| 2016 | Wyndham's Theatre London, England | |
| 2024 | Trafalgar Theatre London, England | |
| 2017 | Angels in America | Harper Pitt et al. | Lyttleton Theatre National Theatre London, England | |
| People, Places and Things | Emma | St. Ann's Warehouse New York City, NY, U.S. | |
| 2018 | Angels in America | Harper Pitt et al. | Neil Simon Theatre New York City, NY, U.S. | |
| 2022 | Portia Coughlan | Portia Coughlan | Abbey Theatre Dublin, Ireland | |
| 2024 | White Rabbit Red Rabbit | | @sohoplaceLondon, England | |
