Question: Which American actor has been featured in the movie Avengers: Infinity War and  has been nominated for four Academy Awards?

full_context: Document 1: Guardians of the Galaxy Vol. 2: Guardians of the Galaxy Vol. 2 is a 2017 American superhero film based on the Marvel Comics superhero team Guardians of the Galaxy, produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures. It is the sequel to 2014's "Guardians of the Galaxy" and the fifteenth film in the Marvel Cinematic Universe. The film is written and directed by James Gunn and stars an ensemble cast featuring Chris Pratt, Zoe Saldana, Dave Bautista, Vin Diesel, Bradley Cooper, Michael Rooker, Karen Gillan, Pom Klementieff, Elizabeth Debicki, Chris Sullivan, Sean Gunn, Sylvester Stallone, and Kurt Russell. In "Guardians of the Galaxy Vol. 2", the Guardians travel throughout the cosmos as they help Peter Quill learn more about his mysterious parentage.
Document 2: Untitled Avengers film: The untitled Avengers film is an upcoming American superhero film based on the Marvel Comics superhero team the Avengers, produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures. It is intended to be the direct sequel to 2018's "", as well as the sequel to 2012's "Marvel's The Avengers" and 2015's "" and the twenty-second film installment in the Marvel Cinematic Universe (MCU). The film is directed by Anthony and Joe Russo, with a screenplay by Christopher Markus & Stephen McFeely, and features an ensemble cast that includes Robert Downey, Jr., Josh Brolin, Mark Ruffalo, Tom Hiddleston, Chris Evans, Chris Hemsworth, Jeremy Renner, Chris Pratt, Elizabeth Olsen, Benedict Cumberbatch, Evangeline Lilly, Karen Gillan, Anthony Mackie, Tom Holland, Zoe Saldana, Dave Bautista, Paul Bettany, Scarlett Johansson, Jon Favreau, Gwyneth Paltrow, Sebastian Stan, Don Cheadle, and Pom Klementieff.
Document 3: Emma Stone: Emily Jean Stone (born November 6, 1988) is an American actress. The highest-paid actress in the world, she has received such accolades as an Academy Award, a BAFTA Award, a Golden Globe Award, and three Screen Actors Guild Awards. Stone appeared in "Forbes" Celebrity 100 in 2013 and the "Time" 100 in 2017, and is often described by the media as one of the most talented actresses of her generation.
Document 4: Avengers: Infinity War: Avengers: Infinity War is an upcoming American superhero film based on the Marvel Comics superhero team the Avengers, produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures. It is intended to be the sequel to 2012's "Marvel's The Avengers" and 2015's "" and the nineteenth film installment in the Marvel Cinematic Universe (MCU). The film is directed by Anthony and Joe Russo, with a screenplay by Christopher Markus & Stephen McFeely, and features an ensemble cast that includes Robert Downey Jr., Josh Brolin, Mark Ruffalo, Tom Hiddleston, Chris Evans, Chris Hemsworth, Jeremy Renner, Chris Pratt, Elizabeth Olsen, Sebastian Stan, Benedict Cumberbatch, Paul Bettany, Cobie Smulders, Benedict Wong, Zoe Saldana, Karen Gillan, Vin Diesel, Dave Bautista, Bradley Cooper, Pom Klementieff, Scarlett Johansson, Benicio del Toro, Tom Holland, Anthony Mackie, Chadwick Boseman, Danai Gurira, Paul Rudd, and Don Cheadle. In "Avengers: Infinity War", the Avengers join forces with the Guardians of the Galaxy to confront Thanos, who is trying to amass the Infinity Stones.
Document 5: The Avengers (2012 film): Marvel's The Avengers (classified under the name Marvel Avengers Assemble in the United Kingdom and Ireland), or simply The Avengers, is a 2012 American superhero film based on the Marvel Comics superhero team of the same name, produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures. It is the sixth film in the Marvel Cinematic Universe. The film was written and directed by Joss Whedon and features an ensemble cast that includes Robert Downey Jr., Chris Evans, Mark Ruffalo, Chris Hemsworth, Scarlett Johansson, Jeremy Renner, Tom Hiddleston, Clark Gregg, Cobie Smulders, Stellan Skarsgård, and Samuel L. Jackson. In the film, Nick Fury, director of the peacekeeping organization S.H.I.E.L.D., recruits Iron Man, Captain America, the Hulk, and Thor to form a team that must stop Thor's brother Loki from subjugating Earth.
Document 6: Avengers: Age of Ultron: Avengers: Age of Ultron is a 2015 American superhero film based on the Marvel Comics superhero team the Avengers, produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures. It is the sequel to 2012's "The Avengers" and the eleventh film in the Marvel Cinematic Universe (MCU). The film was written and directed by Joss Whedon and features an ensemble cast that includes Robert Downey Jr., Chris Hemsworth, Mark Ruffalo, Chris Evans, Scarlett Johansson, Jeremy Renner, Don Cheadle, Aaron Taylor-Johnson, Elizabeth Olsen, Paul Bettany, Cobie Smulders, Anthony Mackie, Hayley Atwell, Idris Elba, Stellan Skarsgård, James Spader, and Samuel L. Jackson. In "Avengers: Age of Ultron", the Avengers fight Ultron, an artificial intelligence obsessed with causing human extinction.
Document 7: Chris Cooper: Christopher Walton "Chris" Cooper (born July 9, 1951) is an American film actor. He became well known in the late 1980s. He has appeared in supporting performances in several major Hollywood films, including the drama "American Beauty" (1999), the biopic about a NASA engineer titled "October Sky" (1999), the action spy film "The Bourne Identity" (2002), the biographical sports psychological drama thriller film "Seabiscuit" (2003), the biographical film about Truman Capote", Capote" (2005), the geopolitical thriller "Syriana" (2005), the action-thriller "The Kingdom" (2007), the crime drama "The Town" (2010), and the musical comedy film "The Muppets" (2011). He also portrayed Sheriff July Johnson in the acclaimed miniseries "Lonesome Dove", which became one of the most successful Westerns in history.
Document 8: Al Pacino: Alfredo James Pacino ( ; born April 25, 1940) is an American actor of stage and screen, filmmaker, and screenwriter. Pacino has had a career spanning over five decades, during which time he has received numerous accolades and honors both competitive and honorary, among them an Academy Award, two Tony Awards, two Primetime Emmy Awards, a British Academy Film Award, four Golden Globe Awards, the Lifetime Achievement Award from the American Film Institute, the Golden Globe Cecil B. DeMille Award, and the National Medal of Arts. He is also one of few performers to have won a competitive Oscar, an Emmy and a Tony Award for acting, dubbed the "Triple Crown of Acting".
Document 9: Jennifer Lawrence: Jennifer Shrader Lawrence (born August 15, 1990) is an American actress. Her films have grossed over $5.5 billion worldwide, and she was the highest-paid actress in the world in 2015 and 2016. She appeared in "Time"'s 100 most influential people in the world in 2013 and in the "Forbes" Celebrity 100 in 2014 and 2016.
Document 10: Russell Crowe filmography: This is the complete filmography of Russell Crowe throughout his entire career. Crowe has acted in blockbuster films such as "Gladiator" (2000), a historical epic for which he won the Academy Award for Best Actor. He is also a winner of the BAFTA Award for Best Actor in a Leading Role and Golden Globe Award for Best Actor – Motion Picture Drama for his portrayal of John Forbes Nash Jr. in the biographical drama "A Beautiful Mind" (2001).
Document 11: Brad Pitt: William Bradley Pitt (born December 18, 1963) is an American actor and producer. He has received multiple awards and nominations including an Academy Award as producer under his own company Plan B Entertainment.
Document 12: Production of Avengers: Infinity War and the untitled Avengers sequel: Production of Avengers: Infinity War and the untitled Avengers sequel
Document 13: Claire Danes: Claire Catherine Danes (born April 12, 1979) is an American actress. She is the recipient of three Emmy Awards, four Golden Globe Awards, and two Screen Actors Guild Awards. In 2012, "Time" named her one of the 100 most influential people in the world, and she was awarded a star on the Hollywood Walk of Fame in 2015.
Document 14: Captain America: Civil War: Captain America: Civil War is a 2016 American superhero film based on the Marvel Comics character Captain America, produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures. It is the sequel to 2011's "" and 2014's "", and the thirteenth film of the Marvel Cinematic Universe (MCU). The film is directed by Anthony and Joe Russo, with a screenplay by Christopher Markus & Stephen McFeely, and features an ensemble cast, including Chris Evans, Robert Downey Jr., Scarlett Johansson, Sebastian Stan, Anthony Mackie, Don Cheadle, Jeremy Renner, Chadwick Boseman, Paul Bettany, Elizabeth Olsen, Paul Rudd, Emily VanCamp, Tom Holland, Frank Grillo, William Hurt, and Daniel Brühl. In "Captain America: Civil War", disagreement over international oversight of the Avengers fractures them into opposing factions—one led by Steve Rogers and the other by Tony Stark.
Document 15: Bradley Cooper: Bradley Charles Cooper (born January 5, 1975) is an American actor. He was one of the world's highest-paid actors for three years, and has been nominated for various accolades, including four Academy Awards, two BAFTA Awards and two Golden Globe Awards. Cooper appeared in "Forbes" Celebrity 100 on two occasions and "Time"'s list of 100 most influential people in the world in 2015.
ground_truth: Bradley Charles Cooper