William Campbell was an American actor who appeared in supporting roles in major film productions, and also starred in several low-budget B-movies and horror films.

The Breaking Point is a 1950 American film noir crime drama directed by Michael Curtiz and the second film adaptation of the 1937 Ernest Hemingway novel To Have and Have Not. It stars John Garfield, in his penultimate film role, and Patricia Neal. Subsequently blacklisted by HUAC, Garfield's very last film was the self-produced and self-financed, He Ran All the Way.