One Potato, Two Potato (1964)

Director: Larry Peerce
Cast: Anthony Spinelli, Barbara Barrie, Bernie Hamilton, Harry Bellaver, Marti Mericka, Richard Mulligan, Robert Earl Jones, Vinnette Carroll

Synopsis:

Study of interracial marriage in the 1960s. A white divorcée falls in love with and marries an African-American man. When her ex-husband sues for custody of her child, arguing that a mixed household is an improper place to raise the girl, the new husband fights for his parental rights in court, fighting against a judge who represents the prejudices of the era.