Musical theatre royalty converges to tune up Donen’s live-action film version of Antoine de Saint-Exupéry’s beloved book about the interstellar adventures of a child prodigy (Steven Warner): the team of Alan Jay Lerner and Frederick Loewe were on script and songs, and the cast included Richard Kiley, Donna McKechnie—and a bowler-sporting (naturally) Fosse, who stops the show with his sibilant speaking and sinewy slithering as The Snake in the Sahara.