In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.

Context: Williamson also starred in the 1975 western film Boss Nigger, in which he played the title role. Link Information: Boss and Amos (Fred Williamson and D'Urville Martin, respectively) intervene and save Clara Mae, a black woman (Carmen Hayworth). Answer: D'Urville Martin
Who else starred in the 1975 western that Fred Williamson played the title role in?