Complex sentence: He also played a crooked cop in "Where the Sidewalk Ends" (1950), but soon after alcoholism began to derail Andrews' career, and on a couple of occasions nearly cost him his life on the highway.
Split into simpler sentences: He also played a crooked cop in "Where the Sidewalk Ends" (1950). Around this time, alcoholism began to derail Andrews' career, and on a couple of occasions it nearly cost him his life on the highway.