In 'Goodfellas,' Henry Hill's girlfriend Sandy helps with his cocaine business but otherwise complicates his life. She was fairly close to the real woman.
Toward the end of 'Goodfellas,' a supremely wired Henry Hill nearly crashes his car on his way to the hospital. Hill's real-life experience was similar.
Michael Imperioli was just starting out when he worked on 'Goodfellas,' but Robert De Niro took note of how the young actor handled himself on the set.