Mathar Ramakrishnan Gopakumar (born 24 September 1951) is an Indian film, television and theatre actor from Kerala. He began his acting career through Malayalam stage plays and later in tele-films and television serials and into films. In his career spanning over four decades, Gopakumar has acted in a wide variety of roles and has worked in both art house and mainstream films. He is mainly noted for his role as Thommi in the 1994 movie Vidheyan. He has won two Kerala State Film Awards and five Kerala State Television Awards for acting.