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\t\t<\/p>\n Cillian Murphy<\/strong><\/a> is hard at work on his new movie!<\/p>\n The 49-year-old Oscar-winning actor was led by a security guard as he arrived on set of filmmaker Damien Chazelle<\/strong>\u2018s new prison drama on Monday afternoon (March 30) in Athens, Greece.<\/p>\n For his time on set, Cillian<\/strong> wore a tan button-up shirt paired with jeans.<\/p>\n Keep reading to find out more\u2026<\/em><\/strong><\/span>Last week, a fan posted photos of Cillian<\/strong> and Mia Threapleton<\/strong> filming the movie on X<\/a>.<\/p>\n Plot details for the untitled project are being kept under wraps, but it was previously reported that the movie is likely going to be set in a prison<\/a>. The cast also reportedly includes Daniel Craig<\/strong> and Michelle WIlliams<\/strong>.<\/p>\n Along with directing the movie, Damien<\/strong> \u2013 who is known for films such as La La Land<\/em>, Whiplash<\/em>, and Babylon <\/em>– also wrote the screenplay.<\/p>\n If you didn\u2019t see, Cillian<\/strong> recently addressed rumors that he\u2019ll be playing this character <\/a>in HBO\u2019s Harry Potter<\/em> TV series.<\/p>\n Click through the gallery for more photos of Cillian Murphy arriving on set in Athens\u2026<\/em><\/strong><\/p>\n <\/span><\/p><\/div>\n