Alan J. Pakula’s Klute (Warner Bros.) represents a considerable advance over the first film he directed, but what wouldn’t? The Sterile Cuckoo was an abomination, from the clunky camera set-ups and music to Liza Minnelli’s uncontrolled performance, all emotion and no design.

No doubt about it, Richard Lester has “the knack”: considerable intelligence, explosive visual invention, unequalled cleverness with a camera. Petulia, his latest, parades these virtues – and reveals the defects which prevent him from becoming a major artist. Petulia starts with an almost insurmountable disadvantage...