Delivering dialogue that was frequently improvised, Robin Williams earned his first Oscar nomination as Armed Forces Radio Service DJ Adrian Cronauer, whose freewheeling mix of hits of the day and rapid-fire commentary ruffled military feathers in Saigon during the Vietnam War. Given the setting, there’s drama as well as comedy, plus lots of great music; the film’s platinum-selling soundtrack put Louis Armstrong’s “What a Wonderful World” back on the charts. Costarring Forest Whitaker and Bruno Kirby.