Astronauts Frank Poole and Dave Bowman and scientist Heywood Floyd are characters in which 1968 film?

In which 1968 horror film do seven people barricade themselves in a farmhouse to fight off flesh-eaters? Which 1968 animated Beatles film includes "All You Need Is Love" and a voyage through the Sea of Monsters? Who ran for U.S. president in 1968 as the candidate of the American Independent Party? In which 1968 film does Peter O'Toole, as Henry II, deliberate over which of his sons should succeed him? In which 1968 film does Barbra Streisand play a girl who rises from the slums to star in the Ziegfeld Follies? Which 1968 Beatles No. 1 hit ran more than seven minutes long? In which 1968 film comedy does a fussy man scold his poker buddies: "Let's watch the cigarette butts, shall we? This is… In which 1968 film do early hominids learn to use a bone as a weapon, before a later mission to Jupiter goes awry?