Robert Norman Reiner is an American actor and filmmaker. As an actor, Reiner first came to national prominence with the role of Michael "Meathead" Stivic on the CBS sitcom All in the Family (1971–1979), a performance that earned him two Primetime Emmy Awards.

As a director, Reiner was recognized by the Directors Guild of America Awards with nominations for the coming of age drama Stand by Me (1986), the romantic comedy When Harry Met Sally... (1989), and the military courtroom drama A Few Good Men (1992), the last of which also earned him a nomination for the Academy Award for Best Picture. He has also received four nominations for the Golden Globe Award for Best Director.

Reiner's other major directorial film credits include the heavy metal mockumentary This Is Spinal Tap (1984), the romantic comedy fantasy adventure The Princess Bride (1987), the psychological horror-thriller Misery (1990), the romantic comedy-drama The American President (1995), the buddy comedy-drama The Bucket List (2007), and the biographical political drama LBJ (2016).

Reiner also appeared in a number of his films and various others, including Throw Momma from the Train (1987), Sleepless in Seattle (1993), Bullets Over Broadway (1994), The First Wives Club (1996), Primary Colors (1998), EDtv (1999), and The Wolf of Wall Street (2013).