Question: What actor from Caddyshack and The Great Santini starred in The Whoopee Boys

full_context: Document 1: Michael O'Keefe: Michael O'Keefe (born Raymond Peter O'Keefe, Jr.; April 24, 1955) is an American film and television actor, known for his roles as Danny Noonan in "Caddyshack" and Ben Meechum in "The Great Santini" — for which he received a Golden Globe Award for New Star of the Year, as well as a nomination for the Academy Award for Best Supporting Actor.
Document 2: Where the Boys Are '84: Where the Boys Are '84 (onscreen title: Where the Boys Are) is a 1984 American comedy film and a remake of the 1960 teen sex comedy film "Where the Boys Are", starring Lisa Hartman, Russell Todd, Lorna Luft, Wendy Schaal and Lynn-Holly Johnson. Directed by Hy Averback and produced by Allan Carr, it was the first film released by Tri-Star Pictures.
Document 3: 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).
Document 4: Alan Metter: Alan Metter is an American film director whose most notable credits include "Back to School" starring Rodney Dangerfield, and "Girls Just Want to Have Fun" with Sarah Jessica Parker. He also produced and directed the 1983 television special "The Winds of Whoopie" for Steve Martin.
Document 5: The Whoopee Boys: The Whoopee Boys is a 1986 comedy film starring Michael O'Keefe and Paul Rodriguez. The movie was made by the writers and the producers of the 1984 hit film "Revenge of the Nerds".
Document 6: Caddyshack: Caddyshack is a 1980 American comedy film directed by Harold Ramis and written by Brian Doyle-Murray, Ramis and Douglas Kenney. It stars Michael O'Keefe, Chevy Chase, Rodney Dangerfield, Ted Knight, and Bill Murray. Doyle-Murray also has a supporting role. The film was later dedicated to producer Douglas Kenney, who died shortly after the film's release.
Document 7: Tommy Boy: Tommy Boy is a 1995 American road comedy film directed by Peter Segal, written by Bonnie and Terry Turner, produced by Lorne Michaels, and starring former "Saturday Night Live" castmates and close friends Chris Farley and David Spade. The film was shot primarily in Toronto and Los Angeles under the working title "Rocky Road". It tells the story of a socially and emotionally immature man (Farley) who learns lessons about friendship and self-worth following the sudden death of his industrialist father. The film did well commercially, but received mixed reviews from critics. However, since its release, "Tommy Boy" has become a cult classic due to being very successful on home video.
Document 8: Gung Ho (film): Gung Ho is a 1986 American comedy film directed by Ron Howard and starring Michael Keaton and Gedde Watanabe. The story portrayed the takeover of an American car plant by a Japanese corporation (although the title is an Americanized Chinese expression, for "work" and "together").
Document 9: Michael Keaton: Michael John Douglas (born September 5, 1951), known professionally as Michael Keaton, is an American actor, producer and director. He first rose to fame for his comedic film roles in "Night Shift" (1982), "Mr. Mom" (1983), "Johnny Dangerously" (1984) and "Beetlejuice" (1988), and he earned further acclaim for his dramatic portrayal of the title character in Tim Burton's "Batman" (1989) and "Batman Returns" (1992).
Document 10: Michael Douglas on stage and screen: American actor and producer Michael Douglas began his film career with a brief uncredited role in "Cast a Giant Shadow" (1966). In the same year he played a small role in the play "Bedford Forrest". His performance in "Hail, Hero!" (1969) earned him a nomination for the Golden Globe Award for Most Promising Male Newcomer. He won the 1971 Theatre World Award for "Pinkville". During 1972–76, he played the lead role in the TV series "The Streets of San Francisco". In 1975, Douglas produced "One Flew Over the Cuckoo's Nest" which won the Academy Award for Best Picture, Golden Globe for Best Picture and BAFTA Award for Best Film.
Document 11: Danny Michael: Danny Michael is an American sound engineer. He was nominated for an Academy Award in the category Best Sound for the film "Mississippi Burning".
Document 12: Meet the Deedles: Meet the Deedles is a 1998 American comedy film  directed by Steve Boyum in his directorial debut, and starring Paul Walker, Steve Van Wormer, A. J. Langer, John Ashton, Robert Englund, and Dennis Hopper. It was the first theatrically released film to be produced by DIC Entertainment since 1986 (after ""). Its name is a play on The Beatles album "Meet the Beatles!". It is also one of Disney's first film attempts to capitalize on surf culture, the other two prime examples are the Disney Channel original films "Johnny Tsunami" (which Boyum also directed and Van Wormer co-starred in) and "Rip Girls", released in 1999 and 2000 respectively. Despite portraying teens, Walker and Van Wormer were in their early twenties when the movie was filmed.
Document 13: Jan-Michael Vincent: Jan-Michael Vincent (born July 15, 1944) is a retired American actor best known for his role as attack helicopter pilot Stringfellow Hawke on the television series "Airwolf" (1984–86) and as the protagonist of 1978's " Big Wednesday".
Document 14: Michael Douglas: Michael Kirk Douglas (born September 25, 1944) is an American actor and producer. Douglas's career includes a diverse range of films in independent and blockbuster genres, for which he has received a number of accolades, both competitive and honorary. These awards include the Golden Globe Cecil B. DeMille Award for "outstanding contributions to the world of entertainment" and the AFI Life Achievement Award, which "honor[s] an individual whose career in motion pictures or television has greatly contributed to the enrichment of American culture".
Document 15: Richard Dreyfuss: Richard Stephen Dreyfuss ( ; originally Dreyfus; born October 29, 1947) is an American actor best known for starring in popular films during the 1970s through 1990s, including "American Graffiti", "Jaws", "Stand By Me", "Close Encounters of the Third Kind", "Down and Out in Beverly Hills", "The Goodbye Girl", "Always, "and "Mr. Holland's Opus".
ground_truth: Michael O'Keefe