Sanders of the River is a 1935 British film directed by the Hungarian-British director, Zoltan Korda, based on the stories of Edgar Wallace. It is set in British Nigeria. The lead Nigerian characters were played by African Americans, Paul Robeson and Nina Mae McKinney.The film proved a significant commercial and critical success, giving Korda the first of his four nominations for Best Film at the Venice Film Festival.
Robeson was so disillusioned by the picture that he attempted, but failed, to buy back all the prints to prevent it from being shown.
(Summary from Wikipedia)