useless trivia: What Word Means: A Hindu Caste Of Cultivators?

Questions

Movie Musicals: Barry Williams, (yes, Greg) starred in this musical based on Charlemagne's life?

Movie Musicals: He starred as the Director in "A Chorus Line", but don't get fatally attracted!?

Movie Musicals: This woman sang the theme song to Sidney Poitier in "To Sir With Love"?

Movie Musicals: What character did Gary Burghoff play in "You're a Good Man, Charlie Brown"?

Movie Musicals: What famous person painfully sang in "Paint Your Wagon"?