Question: What film star of the 2016 American crime-drama film directed by Ewan McGregor was best known for his role in "Animal House?"

full_context: Document 1: The Irishman (2019 film): The Irishman is an upcoming American biographical crime film directed by Martin Scorsese and written by Steven Zaillian, based on the book "I Heard You Paint Houses: Frank ‘The Irishman’ Sheeran and the Inside Story of the Mafia, the Teamsters, and the Final Ride by Jimmy Hoffa" by Charles Brandt. The film stars Robert De Niro, Al Pacino, Joe Pesci, Bobby Cannavale, Harvey Keitel, and Ray Romano. The film is tentatively set for release in 2019 by Netflix.
Document 2: In Dubious Battle (film): In Dubious Battle is a 2016 drama film directed by and produced by James Franco, based on John Steinbeck's novel of the same name, with a screenplay by Matt Rager. The film features an ensemble cast, consisting of Franco, Nat Wolff, Josh Hutcherson, Selena Gomez, Vincent D'Onofrio, Analeigh Tipton, Zach Braff, Bryan Cranston, Ed Harris, and Robert Duvall. The film gets caught up in the labor movement for fruit workers in California during the 1930s. The film had its world premiere at the Venice Film Festival on September 3, 2016.
Document 3: Peter Cattaneo: Peter Joseph Cattaneo (born 1 July 1964) is a two-time Academy Award-nominated and two-time Bafta winning English filmmaker most famous for directing the hit British film "The Full Monty" (1997).
Document 4: American Pastoral (film): American Pastoral is a 2016 American crime-drama film directed by Ewan McGregor and written by John Romano, based on the 1997 novel of the same name by Philip Roth. The film stars McGregor, Jennifer Connelly, Dakota Fanning, Peter Riegert, Rupert Evans, Uzo Aduba, Molly Parker and David Strathairn. Principal photography began on September 21, 2015, in Pittsburgh.
Document 5: Peter Dinklage on screen and stage: Peter Dinklage is an American actor and producer. Dinklage studied acting at the Bennington College where he starred in a number of amateur stage productions. He made his film debut in the 1995 comedy-drama "Living in Oblivion". After appearing in a series of supporting parts in much of the 1990s and early 2000s, he made his breakthrough by starring in the Tom McCarthy-directed comedy-drama "The Station Agent" (2003), which had him play a railroad-obsessed introvert who inherits an abandoned train depot. He was cast in the role by director Tom McCarthy who recalled fondly his appearance in McCarthy's play "The Killing Act" (1995). For his performance, he received a Screen Actors Guild Award nomination for Best Actor and an Independent Spirit Awards nomination for Best Male Lead. In the same year, Dinklage played the title role in the play "Richard III" at The Public Theater. He also played a children's book author in the comedy "Elf". In 2006, he appeared in the Sidney Lumet-directed crime film "Find Me Guilty". He followed with roles in the films "Underdog" (2007), the British film "Death at a Funeral" (2007), with its American remake of the same name (2010) and Trumpkin in the high fantasy film "" (2008).
Document 6: Certain Women (film): Certain Women is a 2016 American drama film edited, written, and directed by Kelly Reichardt. Based on three short stories from Maile Meloy's collections, "Half in Love" and "Both Ways Is the Only Way I Want It", the film stars Laura Dern, Kristen Stewart, Michelle Williams, Lily Gladstone, James Le Gros, and Jared Harris.
Document 7: Peter Riegert: Peter Riegert (born April 11, 1947) is an American actor, screenwriter and film director, best known for his roles as Donald "Boon" Schoenstein in "Animal House" (1978), "Mac" MacIntyre in "Local Hero" (1983), fast-talking gangster Aldo in "Oscar" (1991), tough, no-nonsense Lt. Kellaway in "The Mask" (1994), newspaper editor Delbert McGinty in "We Bought a Zoo" (2011) and glove manufacturer Lou Levov in "American Pastoral" (2016). He directed the short film "By Courier" (2000) and, along with producer Ericka Frederick, was nominated for the Academy Award for Best Live Action Short Film.
Document 8: Jane Got a Gun: Jane Got a Gun is a 2016 American action western film directed by Gavin O'Connor and written by Brian Duffield, Joel Edgerton, and Anthony Tambakis. The film stars Natalie Portman, Joel Edgerton, Noah Emmerich, Rodrigo Santoro, Boyd Holbrook, and Ewan McGregor.
Document 9: Paul Thomas Anderson filmography: American director, screenwriter, and producer Paul Thomas Anderson has directed seven feature-length films, five short films, twelve music videos, one documentary, one television episode as a guest segment director, and one theatrical play. He made his directorial debut with the mockumentary short film "The Dirk Diggler Story" (1988), at the age of 18, about a pornographic actor in the 1970s. Anderson followed it five years later with another short film, "Cigarettes & Coffee" in 1993. In 1996, Anderson wrote and directed the neo-noir crime thriller "Hard Eight", starring Philip Baker Hall, John C. Reilly, Gwyneth Paltrow, and Samuel L. Jackson. The film was well received, with film critic Roger Ebert saying of it in his review, "Movies like "Hard Eight" remind me of what original, compelling characters the movies can sometimes give us." Using the basis of "The Dirk Diggler Story", Anderson wrote and directed an expansion of the film entitled "Boogie Nights" in 1997. The film starred Mark Wahlberg as Eddie Adams/"Dirk Diggler" during the Golden Age of Porn in the 1970s and his eventual downfall in the 1980s. "Boogie Nights" received acclaim from critics and was a commercial success; at the 70th Academy Awards ceremony, the film was nominated for three Academy Awards, including for Best Supporting Actor (Burt Reynolds), Best Supporting Actress (Julianne Moore) and Best Original Screenplay.
Document 10: Indignation (film): Indignation is a 2016 American drama film written, produced, and directed by James Schamus, making his feature directorial debut, and based on Philip Roth's 2008 novel of the same name. The film is set mostly in Ohio, in the early 1950s, and stars Logan Lerman, Sarah Gadon, Tracy Letts, Linda Emond, Danny Burstein, Ben Rosenfield, Pico Alexander, Philip Ettinger, and Noah Robbins.
Document 11: Peter Bogdanovich: Peter Bogdanovich (Serbian: Петар Богдановић, "Petar Bogdanović", born July 30, 1939) is an American director, writer, actor, producer, critic and film historian. He is part of the wave of "New Hollywood" directors, which included William Friedkin, Brian De Palma, George Lucas, Martin Scorsese, Michael Cimino and Francis Ford Coppola. His most critically acclaimed and well-known film is the drama "The Last Picture Show" (1971).
Document 12: American Hustle: American Hustle is a 2013 American black comedy-crime film directed by David O. Russell. It was written by Eric Warren Singer and Russell, inspired by the FBI ABSCAM operation of the late 1970s and early 1980s. It stars Christian Bale and Amy Adams as two con artists who are forced by an FBI agent (Bradley Cooper) to set up an elaborate sting operation on corrupt politicians, including the mayor of Camden, New Jersey (Jeremy Renner). Jennifer Lawrence plays the unpredictable wife of Bale's character. Principal photography on the film began on March 8, 2013, in Boston and Worcester, Massachusetts, and New York City.
Document 13: Palo Alto (2013 film): Palo Alto is a 2013 American drama film written and directed by Gia Coppola, based on James Franco's short story collection "Palo Alto" (2010). Franco stars, along with Emma Roberts, Jack Kilmer, Nat Wolff and Zoe Levin. Jack Kilmer's father, Val Kilmer, also appears briefly in the film as Stewart, Emma Roberts' stepdad.
Document 14: Peter Segal: Peter Segal (born 1962) is an American film director, producer, screenwriter and actor. Segal has directed the comedy films "Tommy Boy" (1995), "My Fellow Americans" (1996), "" (2000), "Anger Management" (2003), "50 First Dates" (2004), "The Longest Yard" (2005), "Get Smart" (2008), " Grudge Match" (2013).
Document 15: Peter Farrelly: Peter John Farrelly (born December 17, 1956) is an American film director, screenwriter, producer and novelist. The Farrelly brothers are mostly famous for directing and producing gross-out humor romantic comedy films such as "Dumb and Dumber", "Shallow Hal", "Me, Myself and Irene", "There's Something About Mary" and the 2007 remake of "The Heartbreak Kid". In addition to his extensive film career, Peter is also an acting board member of the online media company DeskSite.
ground_truth: Peter Riegert