The Hot Rock is a 1972 comic caper film written by William Goldman and directed by Peter Yates, starring Robert Redford, George Segal and Moses Gunn. The film was based upon Donald E. Westlake's novel of the same name, which introduced his long-running Dortmunder character. Despite the problems in getting the diamond, Dortmunder is determined to break what he calls the curse of the diamond.