In the film Sidney Poitier's character says that he is 36 while Poitier was actually 41 at the time of the movie. Abbey Lincoln's character says she is 27, although she was actually 38 at the time of the movie.
Sidney Poitier and Carroll O'Connor both play roles in this movie; a year prior, Poitier starred in In the Heat of the Night (1967), which would be later adapted into a TV series from 1988-1995 starring O'Connor as Mississippi police chief Gillespie, the role originated by Poitier's co-star in the movie, Rod Steiger.
Marlene Clark's debut.
Doris McCarthy's debut.