Claim: Michael Douglas produced a film.

The Jewel of the Nile is a 1985 action-adventure romantic comedy and a sequel to the 1984 film Romancing the Stone , directed by Lewis Teague and produced by one of its stars , Michael Douglas . The film reunites Douglas with Kathleen Turner and Danny DeVito , all reprising their roles . Like Romancing the Stone , the opening scene takes place in one of Joan 's novels . This time , instead of Jesse and Angelina in Joan 's wild-west scenario , Joan and Jack are about to be married when pirates attack their ship . The Jewel of the Nile sends its characters off on a new adventure in a fictional African desert , in an effort to find the fabled `` Jewel of the Nile . ''   The Jewel of the Nile is notable for its top 40 theme song performed by Billy Ocean , `` When the Going gets Tough , The Tough Get Going . ''