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2) Ben Mendelsohn as Detective Ralph Anderson His Outsider character : Det. Anderson is the one that initally arrests Terry, and while his case seems open-and-shut at first, the detective soon learns that there's something even more sinister going on. Where you know him from : The Australian actor saw his breakthrough role in 2010's Animal Kingdom, and has since had roles in The Dark Knight Rises, Rogue One: A Star Wars Story, Darkest Hour and Bloodline. In 2019, he joined the MCU as Talos, the shape-shifting leader of the Skrulls. Mendelsohn appeared in the role in Captain Marvel and Spider-Man: Far From Home. J. Merritt - Getty Images
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3) Cynthia Erivo as Holly Gibney Her Outsider character : Private investigator Holly teams up with Det. Anderson to find out if Terry is really the one responsible for Frankie's murder. Holly also appears in King's Mr. Mercedes series. Where you know her from : The British-born Erivo started her career on stage, and she won a Tony, a Grammy, and an Emmy for her work in The Color Purple. The actress later transitioned to film, and she's starred in Widows, Bad Times at the El Royale, and Harriet. Dimitrios Kambouris - Getty Images
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4) Julianne Nicholson as Glory Maitland Her Outsider character : Glory is Terry's wife (she's named Marcy in the book), and she's the one that finds and calls a lawyer for Terry. While slightly skeptical, she stands behind Terry and also believes that he's innocent. Where you know her from : Nicholson has had roles on shows like Boardwalk Empire and Masters of Sex, and movies like August: Osage County and I, Tonya. The actress has also appeared in a number of stage plays in New York. Jason Merritt - Getty Images
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5) Mare Winningham as Jeannie Anderson Her Outsider character : Jeannie is married to Ralph, and she's one of the first people to question if there's more to the story than what meets the eye. Where you know her from : The Oscar-nominated actress has acted on the big screen, the small screen, and the stage. Highlights include St. Elmo's Fire, The Affair, American Horror Story, and Georgia. Amanda Edwards - Getty Images
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6) Marc Menchaca as Detective Jack Hoskins His Outsider character : Det. Hoskins is an older and more experienced than Det. Anderson, but the two don't really get along. Where you know him from : Menchaca had a key role in a 2019 Black Mirror episode (alongside Miley Cyrus), and has appeared in episodes of Flashforward and Inside Amy Schumer, and worked with Jason Bateman before on Ozark. Gary Gershoff - Getty Images
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7) Bill Camp as Howie Gold His Outsider character : Howie is Terry's lawyer and friend. Where you know him from : Camp has appeared in many critically acclaimed movies: Public Enemies, Lincoln, 12 Years a Slave, Black Mass, Jason Bourne, Molly's Game, Vice, and Joker, to name a few. He also was nominated for an Emmy for HBO's The Night Of, where he played a detective. Eugene Gologursky - Getty Images
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8) Yul Vasquez as Yunis Sablo His Outsider character : Yunis is named Yunel in the Outsider book, and he's a Flint City Lieutenant. Where you know him from : Vasquez has probably appeared on at least one of the shows that you love to binge watchtop picks from his acting resume include Seinfeld, Sex and the City, The Sopranos, The Good Wife, Bloodline, and Narcos: Mexico. He also voiced a number of characters on the animated horror show Courage the Cowardly Dog. Alberto E. Rodriguez - Getty Images
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9) Jeremy Bobb as Alec Pelley His Outsider character : Alec is a private investigator that Howie hires to look into Terry's case. Where you know him from : The Wolf of Wall Street, The Knick, Mosaic, and as a big-time asshole in Russian Doll. John Lamparski - Getty Images
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10) Paddy Considine as Claude Bolton His Outsider character : Claude is a bouncer at a strip club, but he later gets involved in Terry's case. Where you know him from : Considine is an English actor, director, screenwriter, and musician, and he's appeared in everything from movies like The Bourne Ultimatum to a music video for Coldplay . Mike Marsland - Getty Images