Question: Bruce Bilson is the grandfather of the actress who landed the role of whom in the drama "The O.C."?

Context paragraphs:
Pleasure Cove: Pleasure Cove is a 1979 television film made for ABC which first aired on 3 January 1979.  It was directed by Bruce Bilson and starred singer Tom Jones in his acting debut alongside Constance Forslund, Melody Anderson, Jerry Lacy, David Hasselhoff and Tanya Roberts.  The film was intended to be a pilot for a potential television series to cash in on the popularity of series like "Fantasy Island" and "Love Boat" but was not picked up.

Rachel Bilson: Rachel Sarah Bilson (born August 25, 1981) is an American actress.  Born to a California show business family, Bilson made her television debut in 2003, and then landed the role of Summer Roberts on the prime-time drama series "The O.C." Bilson made her movie debut in "The Last Kiss" (2006) and starred in the science-fiction-action film "Jumper" (2008).  From 2011-15, she starred as Dr. Zoe Hart on The CW series "Hart of Dixie".

John Seymour (died 1491): John Seymour (c. 1450 – 26 October 1491) of Wulfhall, of Stalbridge, of Stinchcombe and of Huish, all in Wiltshire, England, was warden of Savernake Forest and a prominent member of the landed gentry in the counties of Wiltshire, Somerset and Dorset.  He was the grandfather of Queen Jane Seymour (c. 1508–1537), the third wife of King Henry VIII, and was thus great-grandfather of King Edward VI.

Gidget's Summer Reunion: Gidget's Summer Reunion is a 1985 American made-for-television comedy film produced by Columbia Pictures Television which aired in syndication on June 1, 1985.  It was written by Robert Blees and George Zateslo, directed by Bruce Bilson and starred Caryn Richman as Gidget.

Tika Sumpter: Tika Sumpter (born Euphemia L. Sumpter; June 20, 1980) is an American actress, producer, television host, and model.  Sumpter began her career as host of the N network reality series, "Best Friend's Date" (2004—2005), and in 2005 landed the role of Layla Williamson in the ABC daytime soap opera, "One Life to Live" where she starred regularly through 2010.  In the same year, Sumpter made her movie debut in her leading female role in the musical drama "".  She later had recurring roles as Raina Thorpe in The CW teen drama "Gossip Girl", and as Jenna Rice in the BET sitcom "The Game".

Chattanooga Choo Choo (film): Chattanooga Choo Choo is a 1984 comedy film starring Barbara Eden, George Kennedy, Melissa Sue Anderson and Joe Namath, directed by Bruce Bilson which was released on May 25, 1984.  The film is inspired by the popular 1941 song "Chattanooga Choo Choo" originally recorded by the Glenn Miller Orchestra and featured in the 20th Century Fox film "Sun Valley Serenade".

Bruce Bilson: Bruce Bilson (born May 19, 1928) is an American film and television director.  He is the grandfather of actress Rachel Bilson.  He is most notable for his work as a regular director on the popular spy spoof "Get Smart".  He won the 1967-68 Primetime Emmy Award for Outstanding Directing for a Comedy Series for the third season Get Smart episode "Maxwell Smart, Private Eye".

Bananas, Crackers and Nuts: "Bananas, Crackers and Nuts" is an episode from "M*A*S*H".  It was the seventh episode broadcast and aired on November 5, 1972 and repeated April 22, 1973.  It was written by Burt Styler and directed by Bruce Bilson.

Shannen Doherty filmography: American actress Shannen Doherty has appeared in numerous television programs and motion pictures.  After her television debut in "Father Murphy" in 1981, she landed her first major role in the dramatic western television series "Little House on the Prairie" (1982–1983), and reprised her role in its three television specials.  Doherty received two Young Artist Award nominations for playing the oldest Witherspoon sibling Kris in the family drama "Our House" (1986–1988).  She appeared in four films during the 1980s, including the positively-received, animated film "The Secret of NIMH" (1982) and the cult classic "Heathers" (1988).  Her breakthrough role was as Brenda Walsh in the teen drama "Beverly Hills, 90210" (1990-1994), but she was later dropped from the series because of backstage issues and her negative image as a "bad girl".  She starred in television films in the early and mid-1990s, and played Rene Mosier in the romantic comedy "Mallrats" (1995) in an attempt to rebuild her career.

Hart of Dixie (Season 1): The CW ordered the pilot of "Hart of Dixie" on February 1, 2011.  The season premiered on September 26, 2011, airing on Mondays at 9/8c.  The medical drama star's The OC's Rachel Bilson who plays Dr. Zoe Hart, a quirky New York doctor who dreams of becoming a cardiothoracic surgeon.

Supporting paragraphs: Bruce Bilson Rachel Bilson
Answer: Summer Roberts