# Cillian Murphy's son Aran lands an HBO role > Aran Murphy, 19, joins HBO's new drama Youth, and the internet cannot get over how much he looks like his dad. - Title: Cillian Murphy's son Aran lands an HBO role · Dailymail - Summary: Aran Murphy, 19, joins HBO's new drama Youth, and the internet cannot get over how much he looks like his dad. Aran Murphy is not just a famous surname on a… - Keywords: cillian murphy, hbo, irish actors, casting, celebrity, news, entertainment, Cillian, Murphy's, son, Aran, lands - Source: Dailymail — https://dailymail.com/tvshowbiz/article-16127719/Cillian-Murphys-son-Aran-looks-spitting-image-Hollywood-star-dad-lands-role-major-new-HBO-series.html?ito=1490&ns_campaign=1490&ns_mchannel=rss - Published: 2026-09-13T14:26:57+00:00 - Read time: 3 min - Topics: cillian murphy, hbo, irish actors, casting, celebrity, news, entertainment ## A familiar face on the carpet Cillian Murphy's 19-year-old son Aran has landed a role in a major new HBO series, and photos of him instantly drew comparisons to his father. ## The show is called Youth Aran joins the cast of Youth, a new HBO drama that has been building anticipation ahead of release. ## He plays Ruairi Aran's character is a teenage son who is emotionally unravelling and gets pulled into dangerous social media trends. > a troubled and emotionally unravelling teenage son who gets easily sucked into dodgy social media trends ## Serious co-stars He acts alongside Sharon Horgan, Rupert Friend and Robbie Gee, a cast with real weight behind it. ## London screening on Friday Aran walked the red carpet in London with his co-stars, including Sharon Horgan and Sharlene Whyte, for a screening of the show. ## The photos went viral Pictures from the screening spread fast online, with people stopping on the resemblance rather than the show itself. ## Copy and paste Commenters piled in with the same reaction over and over, insisting the two men were indistinguishable. > Literally copy and paste Cillian to a T!!! ## No DNA test needed Other reactions ranged from disbelief to jokes about cloning, all landing on the same point about the family likeness. > Oh my God, they cloned him! ## Already a real resume Aran is young, but he has built a portfolio across both film and television rather than arriving out of nowhere. ## Klara and the Sun Earlier this year he appeared in Taika Waititi's science fiction adaptation alongside Jenna Ortega and Amy Adams. ## A second HBO credit Last year he joined WAR, an HBO and Sky co-production featuring Dominic West and Sienna Miller. ## Debut in Lola His first feature was Andrew Legge's indie science fiction mystery Lola in 2022, which drew strong reviews. ## The Taylor Swift story Cillian took his family to an Oscars party, where his sons ended up in conversation with Taylor Swift. > I don't think my kids were legally allowed to be there. ## She remembered them On The Graham Norton Show, Swift praised the boys for being both interesting and interested, which she called a real accomplishment. > Your sons are the future of our world. ## Spotted in the audience Cillian was not sure Aran was even in the studio. Swift picked him out of the crowd on sight and pointed him out. > Oh he's right there, you can tell! ## Graham Norton's verdict The host joked that the family resemblance was so obvious it would have been a guaranteed win in a guessing game. > If this was a game show we've all just won a prize. ## Home is Dublin now Cillian reportedly paid close to 1.7 million pounds for a Victorian townhouse in south Co. Dublin, built in 1863, with six double bedrooms. ## Fourteen years in London Both sons were born in London and stayed until 2015, when the family moved back to Ireland. > It's kind of an Irish story, you know, to move away, do your thing and then come home. ## Those posh accents Cillian joked that part of the reason for the move was that his preteen sons were sounding very English, and he wanted them to be Irish. > they had very posh English accents and I wasn't appreciating that too much ## The other brother Malachy, 20, has gone toward music instead of acting, a passion his father has encouraged. ## Key takeaway Aran Murphy is not just a famous surname on a red carpet. At 19 he already has a feature debut, a Taika Waititi film and two HBO shows behind him.