Actor Gary COLEMAN was an American actor best known for his role as Arnold Jackson in the sitcom Diff'rent Strokes. He was also a successful child actor, appearing in numerous television commercials and films. Actor Gary Oldman is an English actor, filmmaker, musician, and author who has had a long and successful career in film, television, and stage. He is known for his roles in films such as The Dark Knight, Tinker Tailor Soldier Spy, and The Contender.