**Liam McMahon** is an Irish actor, known for his participation in dramatic films and television series ranging from art-house cinema to historical productions.

He gained significant recognition for his role as Gerry Campbell in Steve McQueen's award-winning film *Hunger* (2008), where he delivered an intense and viscerally effective performance as a political prisoner during the Maze Prison hunger strikes. This performance highlighted his ability to portray complex and deeply human characters.

His film career includes appearances in acclaimed films such as Yann Demange's *'71* (2014), a tense thriller set during the Troubles in Belfast. McMahon is often cast in roles as resilient, sometimes morally ambiguous or tormented characters, who navigate intense historical or dramatic contexts. His successful television appearances include series such as *The Fall*, *Vikings*, and *The Frankenstein Chronicles*, which confirm his versatility in roles requiring a strong on-screen presence and a restrained yet powerful expressiveness.