Chiwetel Ejiofor stepped out on the red carpet looking dashing in a Thom Sweeney three-piece suit at the premiere of his latest film, The Martian, during this year’s New York Film Festival. The 38-year-old actor was clad in a gray three-piece suit from Thom Sweeney, which consists of a tonal-gray soft wool jacket, a waistcoat, and a pair of…