Sam Chew Jr. is an American actor most famous for his role in Serial (1980), and for playing both John F. Kennedy and Robert F. Kennedy on television (as Martin Sheen also did). Sam Chew appeared in earlier years in Barnaby Jones; episode titled, "Doomed Alibi" (03/11/1975). After more than 20 years in the film industry, Chew utilized his voice for narrating the Discovery Channel series, Shark Week. He has been a member of the Academy of Motion Picture Arts and Sciences actor's branch for over 30 years. At the age of 74, he is a teacher on the Main Line.