He won critical acclaim for his role in the 2008 film Hunger, which was directed by Steve McQueen and written by Enda Walsh.
Joe Walsh | Enda Kenny | John Walsh | James Walsh | James T. Walsh | Louis Walsh | Walsh | Raoul Walsh | Kate Walsh | Sheila Walsh | M. Emmet Walsh | James Walsh (musician) | Bill Walsh | Thomas J. Walsh | Ted Walsh | Shelsley Walsh | María Elena Walsh | Fran Walsh | Enda Walsh | Thommie Walsh | Thomas Walsh | Kate Walsh (singer) | Kate Walsh (actress) | Don Walsh | Dearbhla Walsh | David Walsh | Cyril Walsh | Sean Walsh | Ruby Walsh | Richard "Hock" Walsh |
The company strives to be integral part of the cultural life of the city, and has sought to develop new writing through its biennial Corcadorca Playwright Award, and by commissioning new work from more established writers (Disco Pigs by Enda Walsh, and Bruen's Twist by Eamonn Sweeney).
Witt's notable productions include Enda Walsh's The New Electric Ballroom at A Red Orchid Theatre, Dennis Kelly's Love and Money, Simon Stephens' Motortown, Pornography and Harper Regan at Steep Theatre, as well as Terence Rattigan's Flare Path (2013 Jeff Nominations, Director and Production) and Edna Ferber and George Kaufman's Stage Door (2011 Jeff Nominations, Director and Production) with the Griffin Theatre.