What is the actor's middle name that voices the character Dr. William MacDougal?
Dan Castellaneta Daniel Louis Castellaneta ( ; born October 29, 1957) is an American actor, voice actor, comedian and screenwriter. Noted for his long-running role as Homer Simpson on the animated television series "The Simpsons", he also voices many other characters for the show, including Abraham "Grampa" Simpson, Barney Gumble, Krusty the Clown, Sideshow Mel, Groundskeeper Willie, Mayor Quimby and Hans Moleman.
Seth Gilliam Seth Gilliam (born November 5, 1968) is an American actor. He is best known for his portrayals of Ellis Carver on "The Wire", Clayton Hughes on "Oz", Dr. Alan Deaton on "Teen Wolf", and Father Gabriel Stokes on "The Walking Dead".