Thomas Edward "Tom" Sizemore, Jr. is an American film and television actor and producer. He is known for his supporting roles in films such as: the dark comedy crime film True Romance ; the crime film Natural Born Killers ; the sci-fi thriller Strange Days ; the crime film Heat ; the war films Saving Private Ryan , Black Hawk Down , Pearl Harbor ; and is known for voicing Sonny Forelli in the video game Grand Theft Auto: Vice City.