Question: Who did the director of When Harry Met Sally..." play on All in the Family?

Context paragraphs:
Dumb and Dumberer: When Harry Met Lloyd: Dumb and Dumberer: When Harry Met Lloyd is a 2003 American comedy film.  It is the second film in the "Dumb and Dumber" film series and a prequel to the 1994 film "Dumb and Dumber".  The film was directed by Troy Miller and based on the characters created by the Farrelly brothers from the original film.  The film was poorly received by critics; however, it was a modest domestic box office success considering its budget, taking in just under $40 million.  The subtitle is inspired by the film "When Harry Met Sally...".

When Harry Met Sally... (soundtrack): When Harry Met Sally... is the soundtrack to the movie "When Harry Met Sally..." starring Billy Crystal and Meg Ryan.  The songs are performed by pianist Harry Connick Jr., who won the Grammy Award for Best Jazz Male Vocal Performance.

Rob Reiner: Robert Reiner (born March 6, 1947) is an American actor, writer, director, producer, and activist.  As an actor, Reiner first came to national prominence with the role of Michael Stivic on "All in the Family" (1971–79).  That role earned him two Emmy Awards during the 1970s.  As a director, Reiner was recognized by the Directors Guild of America (DGA) with nominations for the coming of age comedy-drama film "Stand by Me" (1986), the romantic comedy "When Harry Met Sally..." (1989), and the military courtroom drama "A Few Good Men" (1992).  He also directed the psychological horror-thriller "Misery" (1990), the romantic comedy fantasy adventure "The Princess Bride" (1987) and the heavy metal mockumentary "This Is Spinal Tap" (1984).

Nora Ephron: Nora Ephron ( ; May 19, 1941 – June 26, 2012) was an American writer and filmmaker.  She is best known for her romantic comedy films and was nominated three times for the Academy Award for Best Writing: for "Silkwood" (1983), "When Harry Met Sally..." (1989), and "Sleepless in Seattle" (1993).  She won a BAFTA Award for Best Original Screenplay for "When Harry Met Sally...".  She sometimes wrote with her sister Delia Ephron.  Her last film was "Julie & Julia."  She also co-authored the Drama Desk Award–winning theatrical production "Love, Loss, and What I Wore".  In 2013, Ephron received a posthumous Tony Award nomination for Best Play for "Lucky Guy".

Tracy Reiner: Tracy Reiner (born Tracy Henry; July 7, 1964) is an American actress who is the daughter of filmmaker Penny Marshall.  She was adopted by Marshall's second husband, filmmaker Rob Reiner, taking the Reiner family name.  She is known for her roles in "When Harry Met Sally...", "Masque of the Red Death", "A League of Their Own", and "Apollo 13".

Sunset Las Palmas Studios: Sunset Las Palmas Studios, located at 1040 N. Las Palmas Avenue in Hollywood, California, is an independent production lot providing stages and related services to television, movie and commercial production companies.  Founded in 1919, the lot is one of the oldest production facilities in Hollywood and has played host to many notable productions, including such television shows as "The Burns and Allen Show", "I Love Lucy", "The Addams Family", "Jeopardy!", "The Rockford Files", "MADtv", and "The Suite Life on Deck", as well as such movie productions as "When Harry Met Sally..." and "The Player".  It was previously known as Hollywood Center Studios.

When Harry Met Sally...: When Harry Met Sally… is a 1989 American romantic comedy film written by Nora Ephron and directed by Rob Reiner.  It stars Billy Crystal as Harry and Meg Ryan as Sally.  The story follows the title characters from the time they meet just before sharing a cross-country drive, through twelve years or so of chance encounters in New York City.  The film raises the question "Can men and women ever just be friends?"  and advances many ideas about relationships that became household concepts, such as "high-maintenance" and the "transitional person".

Robert Leighton (film editor): Robert Leighton is a British film and television editor with more than 30 feature film credits since 1980.  He has edited nearly all of the films by film director Rob Reiner, commencing with "This is Spinal Tap" in 1984.  He has also edited three films with Christopher Guest.  His work includes hit comedies and mockumentaries such as "This is Spinal Tap", "Best in Show" and "When Harry Met Sally" as well as classic dramas such as "Stand by Me" and the Stephen King thriller, "Misery", which garnered actress Kathy Bates a "Best Actress" Oscar.  He was nominated for the Academy Award for Best Film Editing for the feature film, "A Few Good Men" (1992).

Billy Crystal: William Edward Crystal (born March 14, 1948) is an American actor, writer, producer, director, comedian and television host.  He gained prominence in the 1970s for playing Jodie Dallas on the ABC sitcom "Soap" and became a Hollywood film star during the late 1980s and 1990s, appearing in the critical and box office successes "When Harry Met Sally..." (1989), "City Slickers" (1991), and "Analyze This" (1999) and providing the voice of Mike Wazowski in the "Monsters, Inc." franchise.

Meg Ryan: Meg Ryan (born Margaret Mary Emily Anne Hyra; November 19, 1961) is an American actress, director, and producer.  Ryan began her acting career in 1981 in minor roles, before joining the cast of the CBS soap opera "As the World Turns" in 1982.  Subsequently, she began to appear in supporting roles in films during the mid-1980s, achieving recognition in independent movies such as "Promised Land" (1988) before her performance in the Rob Reiner-directed romantic comedy "When Harry Met Sally..." (1989) brought her widespread attention and her first Golden Globe nomination.

Supporting paragraphs: Meg Ryan Rob Reiner
Answer: Michael Stivic