Romancing the Stone (Also Known As: Auf der Jagd nach dem grünen Diamanten) is a Action Adventure Comedy film directed by Robert Zemeckis and written by Diane Thomas. It released on 30 March 1984 (USA). The film stars Michael Douglas, Kathleen Turner, Danny DeVito. A romance writer sets off to Colombia to ransom her kidnapped sister, and soon finds herself in the middle of a dangerous adventure.