useless trivia: What Word Means: A Firelock Fuse - A Wooden Or Paper Match?

Questions

barry williams, (yes, greg) starred in this musical based on charlemagne's life?

he starred as the director in "a chorus line", but don't get fatally attracted!?

this woman sang the theme song to sidney poitier in "to sir with love"?

what character did gary burghoff play in "you're a good man, charlie brown"?

what famous person painfully sang in "paint your wagon"?