Director Reiner is a prominent figure in the entertainment industry. ROB Reiner is an American actor, director, producer, writer, and political activist who has been active in the film industry since the 1960s. He is best known for his roles in films such as 'The Princess Bride' and 'When Harry Met Sally'. Carl Reiner is an American comedian, actor, director, producer, and writer who has been active in the entertainment industry since the 1940s. He is best known for his roles in films such as 'The Jerk' and 'Oh, God!'. Both ROB and Carl Reiner have had successful careers in the entertainment industry and are highly respected in their respective fields.