Kelly Reilly (born 18 July 1977) is an English actress. Reilly's performance in After Miss Julie at the Donmar Warehouse made her a star of the London stage and earned her a nomination for a Laurence Olivier Theatre Award for Best Actress of 2003. Aged 26, she's the youngest person ever nominated for that award. And, in 2005, she won Best Newcomer Award at the Cannes Film Festival for her role as Wendy in The Russian Dolls (Les Poupées Russes).

Kelly Reilly plays as Beth Dutton in True Detective.
Kelly Reilly is the top #1 member of the cast and appears in 29 episodes.

Taylor Kitsch is a Canadian actor and model best known for his portrayal of football player Tim Riggins on the NBC series "Friday Night Lights". He was in many movies including the supernatural film "The Covenant", the X-Men spin-off "X-Men Origins: Wolverine", the Disney film "John Carter", the war film "Lone Survivor" and HBO's lgbt drama "The Normal Heart". In November 2014, he was cast in the second season of HBO's popular anthology crime series "True Detective". 

Taylor Kitsch plays as Max McLaughlin in True Detective.
Taylor Kitsch is the top #2 member of the cast and appears in 8 episodes.

An actor and producer known for roles in In Search of a Midnight Kiss (2007), Herbie Fully Loaded (2005), and Mr. Fix It (2006). He also plays the lead male role in the recently released film Monsters (2010). He is married to fellow actress and co-star of Monsters, Whitney Able.

Scoot McNairy plays as Tom Purcell in True Detective.
Scoot McNairy is the top #3 member of the cast and appears in 8 episodes.

Mahershalalhashbaz "Mahershala" Ali (born Mahershalalhashbaz Gilmore; February 16, 1974) is an American actor. Ali began his career as a regular on series such as Crossing Jordan and Threat Matrix before his breakthrough role as Richard Tyler in the science-fiction series The 4400. His first major film release was in the 2008 David Fincher-directed romantic fantasy drama film The Curious Case of Benjamin Button. His other notable films include Predators and The Place Beyond the Pines. He played a major role in Free State of Jones, set during and after the American Civil War. Ali is best known for his recent roles as Remy Danton in House of Cards, Cornell "Cottonmouth" Stokes in Netflix's TV series Luke Cage, Juan in Moonlight, and Boggs in The Hunger Games: Mockingjay – Part 1 and its sequel, The Hunger Games: Mockingjay – Part 2.

Mahershala Ali plays as Wayne Hays in True Detective.
Mahershala Ali is the top #4 member of the cast and appears in 8 episodes.

Matthew David McConaughey (born November 4, 1969) is an American actor. After a series of minor roles in the early 1990s, McConaughey gained notice for his breakout role in Dazed and Confused (1993). It was in this role that he first conceived the idea of his catch-phrase "Well alright, alright." He then appeared in films such as A Time to Kill, Contact, U-571, Tiptoes, Sahara, and We Are Marshall. McConaughey is best known more recently for his performances as a leading man in the romantic comedies The Wedding Planner, How to Lose a Guy in 10 Days, Failure to Launch, Ghosts of Girlfriends Past and Fool's Gold. Description above from the Wikipedia article Matthew McConaughey, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Matthew McConaughey plays as Rust Cohle in True Detective.
Matthew McConaughey is the top #5 member of the cast and appears in 8 episodes.

An American film actor, screenwriter, producer and comedian. He began acting in the late 1980s, appearing in minor television roles before experiencing wider recognition with the 1996 movie, Swingers. He has since appeared in a number of films, mostly comedies, including The Lost World: Jurassic Park, Old School, Starsky & Hutch, Dodgeball: A True Underdog Story, Couples Retreat, Mr. & Mrs. Smith, and Wedding Crashers.

Vince Vaughn plays as Frank Semyon in True Detective.
Vince Vaughn is the top #6 member of the cast and appears in 8 episodes.

Stephen Dorff (born July 29, 1973) is an American actor, best known for portraying Stuart Sutcliffe in Backbeat, Johnny Marco in Somewhere, and for his roles in Blade and Cecil B. DeMented.

Stephen Dorff plays as Roland West in True Detective.
Stephen Dorff is the top #7 member of the cast and appears in 8 episodes.

Michael Potts is an actor and assistant director.

Michael Potts plays as Maynard Gilbough in True Detective.
Michael Potts is the top #8 member of the cast and appears in 8 episodes.

Canadian actress Rachel McAdams was born on November 17, 1978 in London, Ontario. Rachel’s parents Lance and Sandra encouraged her talent in performing arts at an early age when she started figure skating at 4, and later acting at 12.  Throughout her education Rachel starred in numerous student productions before ultimately earning her BFA in Theater at York University in 2001. Although Rachel’s first major casting was her lead role in the Canadian TV series Slings and Arrows, she is best known for her breakout roles in Mean Girls (2004), and Wedding Crashers (2005). Since then Rachel has starred in a variety of  films such as Red Eye (2005), Family Stone (2005), State of Play (2005), The Time Traveler’s Wife (2009), and Sherlock Holmes (2009). Throughout her career Rachel has received several nominations and awards for her  performances.  In 2005 she received three wins and five nominations at the MTV Movie Awards for her work in The Notebook, and in 2009 won the Female Star of the Year Award from ShoWest.  Rachel has dated a few of her co-stars including Ryan Gosing from The Notebook (who she was once engaged to), and more recently Michael Sheen from Midnight in Paris.

Rachel McAdams plays as Ani Bezzerides in True Detective.
Rachel McAdams is the top #9 member of the cast and appears in 8 episodes.

American actress Michelle Lynn Monaghan's first notable roles were in episodes of Young Americans, and Law & Order: Special Victims Unit, both in 2001. That year she also her big screen debut in the movie "Perfume" (2001), followed by another small role in "Unfaithful" (2002). Monaghan had her big break in 2002 when she co-starred in the television series Boston Public.   Monaghan is better known for her roles in "Kiss Kiss Bang Bang", "Gone Baby Gone", "Made of Honor", "The Heartbreak Kid", "Eagle Eye" and the "Mission: Impossible" franchise. Monaghan met Australian graphic artist Peter White at a party in 2000. They were married in August 2005 and live in New York. She gave birth to daughter Willow Katherine White on November 5, 2008.

Michelle Monaghan plays as Leni, Gina in True Detective.
Michelle Monaghan is the top #10 member of the cast and appears in 7 episodes.