Question: Spaceballs, a 1987 American film, starred which actor that was best known for his role in "Eight is Enough"?

full_context: Document 1: Dick Van Patten: Richard Vincent Van Patten (December 9, 1928 – June 23, 2015) was an American actor, businessman, and animal welfare advocate, best known for his role as patriarch Tom Bradford on the ABC television comedy-drama "Eight Is Enough".
Document 2: The Ice Pirates: The Ice Pirates is a 1984 comic science fiction film directed by Stewart Raffill, who co-wrote the screenplay with "Krull" writer Stanford Sherman. The film stars Robert Urich, Mary Crosby and Michael D. Roberts; other notable featured actors are Anjelica Huston, Ron Perlman, Bruce Vilanch, John Carradine, and former football player John Matuszak.
Document 3: Innerspace: Innerspace is a 1987 American science fiction comedy film directed by Joe Dante and produced by Michael Finnell. Steven Spielberg served as executive producer. The film was inspired by the 1966 science fiction film "Fantastic Voyage". It stars Dennis Quaid, Martin Short and Meg Ryan, with Robert Picardo and Kevin McCarthy, with music composed by Jerry Goldsmith. It earned well over $25 million in its domestic gross revenue and won an Oscar, the only film directed by Dante to do so.
Document 4: Rick Moranis: Frederick Allan "Rick" Moranis (born April 18, 1953) is a Canadian-American actor, comedian, screenwriter, producer, musician, and songwriter. He is currently on film acting hiatus. He came to prominence in the sketch comedy series "Second City Television" ("SCTV") in the 1980s and later appeared in several Hollywood films, including "Strange Brew" (1983), "Ghostbusters" (1984), "Spaceballs" (1987), "Little Shop of Horrors" (1986), "Honey, I Shrunk the Kids" (1989, and its 1992 and 1997 sequels), "Parenthood" (1989), "My Blue Heaven" (1990), and "The Flintstones" (1994).
Document 5: Dave Thomas (businessman): Rex David "Dave" Thomas (July 2, 1932January 8, 2002) was an American businessman and philanthropist. Thomas was the founder and chief executive officer of Wendy's, a fast-food restaurant chain specializing in hamburgers. He is also known for appearing in more than 800 commercial advertisements for the chain from 1989 to 2002, more than any other company founder in television history.
Document 6: Space Jam: Space Jam is a 1996 American live-action/animated sports comedy film starring basketball player Michael Jordan and featuring the "Looney Tunes" cartoon characters. The film was produced by Ivan Reitman, and directed by Joe Pytka, with Bruce W. Smith, Korey Coleman, Spike Brandt and Tony Cervone directing the animation. Nigel Miguel was a basketball technical advisor.
Document 7: Dick Donato: Richard Louis Donato (born June 24, 1963) is a bar manager from Los Angeles, California. He was the winner of the reality game show "Big Brother 8". He and his daughter, Daniele Donato, are the only family member pair to win the American "Big Brother" program's top two prizes in the same competition. Dick holds the record as the show's oldest winner (age 44 at the time), and Daniele is the youngest person (having turned 21 during the competition) ever to win one of the American program's top two prizes. Dick returned for Season 13 of Big Brother as a team with his daughter Daniele, but departed the show citing "personal reasons" during the first week. In 2014, Donato announced that the reason he departed the show was due to a positive HIV diagnosis.
Document 8: Brad Van Pelt: Brad Alan Van Pelt (April 5, 1951 – February 17, 2009) was an American football linebacker who played 14 seasons in the National Football League (NFL). A two-time All-American (1971, 1972) and the 1972 Maxwell Award winner as college football's best player, he was drafted by the New York Giants, earning five Pro Bowl selections during his ten years with the team. He rounded out his career with the Los Angeles Raiders from 1984 to 1985 and the Cleveland Browns in 1986. Van Pelt is the father of former Denver Broncos and Houston Texans quarterback Bradlee Van Pelt.
Document 9: Meatballs (film): Meatballs is a 1979 Canadian comedy film directed by Ivan Reitman. It is noted for Bill Murray's first film appearance in a starring role and for launching the directing career of Reitman whose later comedies included "Stripes" (1981) and "Ghostbusters" (1984), both starring Murray. The film also introduced child actor Chris Makepeace in the role of Rudy Gerner. It was followed by several sequels, of which only "" (1986) had any connection to the original.
Document 10: Bright Lights: Starring Carrie Fisher and Debbie Reynolds: Bright Lights: Starring Carrie Fisher and Debbie Reynolds
Document 11: Spaceballs: Spaceballs is a 1987 American comic science fiction film co-written, produced and directed by Mel Brooks. Starring Brooks, Bill Pullman, John Candy, and Rick Moranis, the film also features Daphne Zuniga, Dick Van Patten, and the voice of Joan Rivers. In addition to Brooks in a supporting role, the film also features Brooks regulars Dom DeLuise and Rudy De Luca in cameo appearances.
Document 12: Dick Van Dyke: Richard Wayne Van Dyke (born December 13, 1925) is an American actor, comedian, singer, dancer, writer, and producer.
Document 13: Richard Benjamin Harrison: Richard Benjamin Harrison Jr., (also known by the nicknames The Old Man and The Appraiser) (born March 4, 1941), is a Las Vegas businessman and reality television personality, best known as the co-owner of the World Famous Gold & Silver Pawn Shop, as featured on the History channel series "Pawn Stars". Harrison was the co-owner of a pawn shop with his son Rick Harrison until he suffered a stroke, causing him to retire.They opened the store together in 1989.
Document 14: John Candy: John Franklin Candy (October 31, 1950 – March 4, 1994) was a Canadian actor and comedian known mainly for his work in Hollywood films. Candy rose to fame as a member of the Toronto branch of the Second City and its related "Second City Television" series, and through his appearances in such comedy films as "Stripes", "Splash", "Cool Runnings", "Summer Rental", "The Great Outdoors", "Spaceballs", and "Uncle Buck", as well as more dramatic roles in "Only the Lonely" and "JFK". One of his most renowned onscreen performances was as Del Griffith, the loquacious, on-the-move shower-curtain ring salesman in the John Hughes comedy "Planes, Trains and Automobiles".
Document 15: The Van Dyke Show: The Van Dyke Show is an American sitcom starring Dick Van Dyke and his son Barry Van Dyke which aired on CBS from October 26 to December 7, 1988. The series marked the first time the real-life father-son actors worked together.
ground_truth: Dick Van Patten