Actor Bill Irwin Talks Playing TARS In Christopher Nolan’s ‘Interstellar’ Shaina411 | November 4, 2014 Bill Irwin lent his voice to the character TARS in Christopher Nolan’s latest sci-fi thriller “Interstellar,” which hits theaters in 35mm, 70mm and 70 mm IMAX on November 5 and nationwide on November 7.