French actor Omar Sy, who won praise for his starring role in the film "The Intouchables," has been added to the star-studded cast of the next "X-Men movie," director Bryan Singer has said. "X-Men: Days of Future Past" -- a follow-up to the 2011 reboot "X-Men" First Class," already boasts best actress Oscar winner Jennifer Lawrence, Hugh Jackman, Michael Fassbender, Ian MacKellen and Patrick Stewart among the cast. "Thrilled to welcome the brilliant #OmarSy from the amazing film #TheIntouchables to the cast of #Xmen #DaysofFuturePast!" Singer said on Twitter.