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Cillian Murphy<\/strong><\/a>\u2019s son has some explosive news.<\/span><\/p>\n Aran Murphy<\/strong>, the 17-year-old son of the <\/span>Oppenheimer<\/span><\/em> actor and his wife <\/span>Yvonne McGuinness<\/strong>, is set to star in the upcoming <\/span>HBO<\/span><\/a> and Sky series <\/span>War<\/span><\/em> alongside <\/span>Dominic West <\/strong>and <\/span>Sienna Miller<\/strong><\/a>, according to an Oct. 22 <\/span>Instagram<\/span><\/a> announcement from his talent agency.<\/span><\/p>\n The legal thriller will see a high-powered tech titan (Dominic) and an international superstar (Sienna) go through a messy divorce as two rival law firms compete to triumph both in the courtroom and the world outside of it, per <\/span>TV Insider<\/span><\/a>.<\/span><\/p>\n While the London-based series will be the teen\u2019s first TV show, he previously starred in the 2022 Irish film <\/span>Lola<\/span><\/em> and has completed filming <\/span>Taika Waititi<\/strong>\u2019s movie adaptation of <\/span>Klara and the Sun<\/span><\/em>, which he stars in alongside <\/span>Amy Adams<\/strong>, <\/span>Jenna Ortega<\/strong> and <\/span>Steve Buscemi<\/strong>, per <\/span>IMDb<\/span><\/a>.<\/span><\/p>\n Though Cillian\u2014who also shares son <\/span>Malachy<\/strong>, 19, with Yvonne\u2014typically keeps his family life private, he previously detailed how he feels about Aran following in his acting footsteps.\u00a0<\/span><\/p>\n<\/div>\n