Diana and Sidney 's arrival at the Academy Awards was actually shot during the arrivals for the 50th Academy Awards in April , 1978 . This may explain the muted response from a real-life crowd unfamiliar with the names " Diana Barrie " and " Sidney Cochran . " The California-themed paintings seen in the opening credits are by pop artist David Hockney . While the play featured two actors and two actresses each playing several roles , the film features a different actor for each role
50th Academy Awards
50th Academy Awards
California Suite (film)