Lee Grinner Pace (born March 25, 1979) is an American actor.
 Pace has been featured in film, stage and television.
 He currently stars as protagonist Joe MacMillan in AMC's "Halt and Catch Fire".
 He also played Roy Walker/the Masked Bandit in the 2006 film "The Fall".
 He has appeared in film series, including "" as Garrett and "The Hobbit" trilogy as Thranduil.
 He played villain Ronan the Accuser in the film "Guardians of the Galaxy", and starred as Ned in the ABC series "Pushing Daisies" for which he was nominated for the Golden Globe Award and Primetime Emmy Award for Outstanding Lead Actor in a Comedy Series in 2008.
Carrie Alexandra Coon (born January 24, 1981) is an American actress.
 On stage, Coon was nominated for a Tony Award for her performance in the 2012 revival of "Who's Afraid of Virginia Woolf?
".
 In film, she starred as Margo Dunne in the 2014 thriller film "Gone Girl".
 From 2014 to 2017, she starred as Nora Durst in the HBO drama series "The Leftovers", for which she received widespread critical acclaim, winning a Critics' Choice Television Award for Best Actress in a Drama Series.
 Coon also won for the TCA Award for Individual Achievement in Drama, for "The Leftovers" and for her lead role as Gloria Burgle in the third season of the FX anthology series "Fargo", along with a nomination for the Primetime Emmy Award for Outstanding Lead Actress in a Limited Series or Movie for "Fargo".
Walker is a 1987 American-Spanish historical revisionist film directed by Alex Cox and starring Ed Harris, Richard Masur, Rene Auberjonois, Peter Boyle, Miguel Sandoval, and Marlee Matlin.
 The film is based on the life story of William Walker, the American filibuster who invaded and made himself president of Nicaragua.
 It was written by Rudy Wurlitzer and scored by Joe Strummer, who has a small role as a member of Walker's army.
Michael Kenneth Williams (born November 22, 1966) is an American actor, dancer, and reporter.
 He is best known for his portrayal of Omar Little on the HBO drama series "The Wire" and Albert "Chalky" White on the HBO series "Boardwalk Empire".
 He was also acclaimed for his role as Jack Gee, husband of Bessie Smith, in the HBO telefilm biopic "Bessie".
 He has acted in supporting roles in a number of films and television series, including "The Road", "Inherent Vice", "The Night Of", "Gone Baby Gone", and "12 Years a Slave".
Edward Allen Harris (born November 28, 1950) is an American actor, producer, director, and screenwriter.
 He is known for his performances in films such as "The Right Stuff" (1983), "The Abyss" (1989), "Glengarry Glen Ross" (1992), "Apollo 13" (1995), "Nixon" (1995), "The Rock" (1996), "Absolute Power" (1997), "A Beautiful Mind" (2001), "Enemy at the Gates" (2001), "Radio" (2003), "A History of Violence" (2005), "Gone Baby Gone" (2007), "The Way Back" (2010), "Man on a Ledge" (2012), "Gravity" (2013), "Snowpiercer" (2013), and "Run All Night" (2015).
 Harris currently stars in the HBO sci-fi drama series "Westworld".
Robert Cannavale ( ; ] ; born May 3, 1970) is an American actor known for his leading role as Bobby Caffey in the first two seasons of the crime drama series "Third Watch".
 Cannavale also had a recurring role on the NBC comedy series "Will & Grace" as Will Truman's long-term boyfriend Officer Vincent "Vince" D'Angelo, for which he won the 2005 Primetime Emmy Award for Outstanding Guest Actor in a Comedy Series, and portrayed Gyp Rosetti during the third season of the HBO drama series "Boardwalk Empire", for which he won the 2013 Primetime Emmy Award for Outstanding Supporting Actor in a Drama Series.
 In 2016, he starred in the HBO drama series "Vinyl", produced by Martin Scorsese and Mick Jagger.
Jeanne Marie Tripplehorn (born June 10, 1963) is an American film and television actress.
 Her film career began with the role of a police psychologist in the erotic thriller "Basic Instinct" (1992).
 Her other film roles include "The Firm" (1993), "Waterworld" (1995) and "Sliding Doors" (1998).
 On television, she starred as Barbara Henrickson on the HBO drama series "Big Love" (2006–11) and as Dr. Alex Blake on the CBS police drama "Criminal Minds" (2012–14), and she received a Primetime Emmy Award nomination for her performance as Jacqueline Kennedy Onassis in the 2009 HBO movie "Grey Gardens".
Chad L. Coleman (born September 6, 1974) is an American actor.
 He is best known for portraying Dennis "Cutty" Wise on the HBO crime drama series "The Wire" (2004–2008), voicing Coach in the video game "Left 4 Dead 2", and portraying Tyreese Williams on the AMC post-apocalyptic horror series "The Walking Dead" (2012–2015).
 He currently stars in the Syfy series "The Expanse" as Fred Johnson, a.k.a. "The Butcher of Anderson Station", and starred in History Channel's re-imagining of the miniseries "Roots" airing the week of May 30, 2016.
Jeffrey Wright (born December 7, 1965) is an American film, television and stage actor.
 He is known for such roles as Belize in the HBO miniseries "Angels in America", Jean-Michel Basquiat in "Basquiat", Felix Leiter in the James Bond films "Casino Royale" and "Quantum of Solace", Valentin Narcisse in the HBO series "Boardwalk Empire", and Beetee in "The Hunger Games" films.
 He currently stars as Bernard Lowe in the HBO series "Westworld".
Austin Nichols (born April 24, 1980) is an American actor and director, known for his role as Julian Baker in The CW drama series "One Tree Hill".
 He is also known for his roles in the films "The Day After Tomorrow" and "Wimbledon".
 He starred as John Monad in the HBO drama series "John from Cincinnati", and portrayed Spencer Monroe in the AMC horror drama series "The Walking Dead".

Question: Walker was a film that starred the actor who currently stars in what HBO drama?
Answer: Westworld