With the Oscar winner’s romcom Love, Weddings & Other Disasters out next month in the UK, we run through her greatest roles

Some of the jokes in Sleeper are as dated as the special effects (and they looked creaky enough nearly 50 years ago). But Keaton is ethereally lovely as Luna, a socialite from the future. As always, there is an intelligence to her performance that lifts her above the weaker material, such as Woody Allen’s character floating around a field in a hydrovac suit.