In 1950's "Sunset Boulevard," which former silent star says, "I am big. It's the pictures that got small"?

Which 1950 film includes the line "Fasten your seatbelts. It's going to be a bumpy night"? The island nation of Fiji lies in which ocean region, the title of a 1950 Pulitzer-winning musical? In which 1950 film does Judy Holliday tell Broderick Crawford, "You're just not couth"? Which girl's name means "pretty" in Spanish? Mr. Beaver, the White Witch and Aslan appear in which 1950 novel? Who composed the music for the 1949 musical "South Pacific"? In which Tennessee Williams play does a truck driver have the title body art on his chest? Bulgarian leader Vulko Chervenkov, who closely followed the Soviet model in the 1950s, was known as "Little" whom?