Tahar Rahim born 4 July 1981 is a French actor His breakthrough performance was in the 2009 French film A Prophet for which he won the César Award for Best Actor and Most Promising Actor He has since starred as FBI agent Ali Soufan in the miniseries The Looming Tower and Judas in the film Mary Magdalene both 2018 garnered critical acclaim and nominations for the Golden Globe Award and the BAFTA Award for Best Actor in a Leading Role for portraying Mohamedou Ould Salahi in The Mauritanian 2021 He received another Golden Globe Award nomination for portraying Charles Sobhraj in the miniseries The Serpent 2021