Robert Joy is a Canadian actor. He is best known for his role as medical examiner Sid Hammerback on the police procedural series CSI: NY, and his appearances in the films Atlantic City (1980), Ragtime (1981), Desperately Seeking Susan (1985), Land of the Dead (2005), and The Hills Have Eyes (2006). He is a two-time Genie Award nominee for Best Supporting Actor; for Atlantic City and Whole New Thing. Joy has also worked extensively on the stage, particularly in Shakespearean productions, in both Canada and the United States. Earlier in his career, he was closely affiliated with Newfoundland comedy troupe CODCO.