[2] He has also had roles in TV series such as Jack Taylor (2010), Titanic: Blood and Steel (2012), Vikings: Valhalla (2022) and The Gone (2023), and he portrayed Nick Barret on the RTÉ One soap opera Fair City in 2003.

[3][12] Murphy is also credited with roles in Jack Taylor (2010) starring Iain Glen and in Titanic: Blood and Steel (2012) with Kevin Zegers and Derek Jacobi.

He has had roles in stage productions of Jack and the Beanstalk (2000),[14] Annie (2001),[12][15], The Chastitute (2001),[16][17] The Plough and the Stars (2003),[18][19] Sweeney Todd (2007),[20] Beauty and the Beast (2008),[21] Macbeth (2012)[22][23] and Threepenny Opera (2013).

[24][25] From 2015 to 2017, Murphy portrayed the character 'Da' in the Dublin and Seoul productions of Once (The Musical) directed by John Tiffany.

[28] In September 2022, Murphy portrayed the character of Zozimus in the Abbey Theatre coproduction of Joyce's Women, written by Edna O'Brien.