Complex sentence: Hamilton appeared in the March Milastaire number in the film "You'll Never Get Rich" (1941) as part of the backing group supporting Fred Astaire, and performed on the soundtrack of the Bing Crosby/Bob Hope film "Road to Bali".
Split into simpler sentences: Hamilton appeared in the film "You'll Never Get Rich" (1941) as part of the backing group supporting Fred Astaire. He also performed on the soundtrack of the Bing Crosby and Bob Hope film "Road to Bali".