Producer Aldo von Pinelli first announced Louis Armstrong to be playing the part of Uncle Tom, but the failing health of the singer and actor made this impossible. Simon Legree was first offered to Mario Adorf and Gert Fröbe, before Herbert Lom took over the part. Other roles were intended to be played by Harry Belafonte, Ella Fitzgerald and Omar Sharif, but none of them actually participated in this movie.
Catana Cayetano's debut.