Domhnall Gleeson is an Irish actor and writer. He is the son of actor Brendan Gleeson, alongside whom he has appeared in several films and theatre projects. He received a Bachelor of Arts in Media Arts from Dublin Institute of Technology.
During the early stages of his career, Gleeson directed and wrote several short films, garnered a Tony Award nomination in 2006 for his role in the Broadway production The Lieutenant of Inish more, and had a supporting role in Never Let Me Go.
He became known to a wider audience for his portrayal of Bill Weasley in the Harry Potter film franchise (2010–2011), Konstantin Levin in Anna Karenina (2012), Tim Lake in About Time (2013), and Russell Allen Phillips in fact-based war drama Unbroken (2014).