Complex sentence: Leo Gratten Carroll (25 October 1886--16 October 1972) was an English-born actor, best known for his roles in several Hitchcock films and "The Man from U.N.C.L.E." and "Topper".
Split into simpler sentences: Leo Gratten Carroll (25 October 1886--16 October 1972) was an English-born actor. He was best known for his roles in several Hitchcock films and "The Man from U.N.C.L.E." and "Topper".