Name That Tune: "You wanna graduate, but not 'n his bed"?

Questions

Hollywood : Which character sang "Come Out, Come Out, Wherever You Are" in "The Wizard of Oz"?

Hollywood : Which character sang, "When you wish upon a star.." in Disney's "Pinocchio"?

Hollywood : Which comedy duo did the famous, "Who's on first" routine?

Hollywood : Which planet was the "Planet of the Apes"?

Hollywood : Who co-starred with Julie Andrews in "Mary Poppins"?