Trivia

The $80.00 per week in 1964 that Ivan Dixon's character earns working on the road gang translates to $650.82 per week in 2019 dollars.

Film debut of Yaphet Kotto.

This film's soundtrack LP was the first soundtrack album released by Motown Records.

Sidney Poitier and James Earl Jones turned down the role of Duff Anderson.

Selected for inclusion in the National Film Registry by the Library of Congress in 1993.