No Way Out is a 1950 American film noir crime drama film directed by Joseph L. Mankiewicz, and starring Richard Widmark, Linda Darnell, Sidney Poitier, and Stephen McNally, who portrays a doctor tending to slum residents whose ethics are tested when confronted with racism, personified by Widmark as hateful robber Ray Biddle.

https://en.wikipedia.org/wiki/No_Way_Out_(1950_film)