Flame In The Streets (1961)

Jacko Palmer (John Mills) a union leader in a large company tries to win equal rights for the handful of West Indian workers at the company, but finds it is an uphill battle. After being successful, and rightly proud of his efforts, he finds that he and his wife have a difficult time coming to terms with the fact that his only daughter Kathie (Sylvia Syms) intends to marry a West Indian.