2007, Beach starred in HBO Films' adaptation of Dee Brown's history, Bury My Heart at Wounded Knee. In the film, Beach portrays Charles Eastman (Dakota name Ohiyesa), a doctor, Sioux advocate, and author. He explores and expresses the changing understanding of Aboriginal-US relations during the period leading up to the Wounded Knee Massacre. In addition to starring in the Canadian television series Moose TV, Beach is executive-producing and starring in the movie Older Than America. The independent feature is filmed in Cloquet, Minnesota, mostly on the Fond du Lac Ojibwe reservation. He joined the cast of Law & Order: Special Victims Unit as Detective Chester Lake for the show's ninth season after guest-starring in season eight. In April 2008, TV Guide announced that he would not return for the show's tenth season. He later stated he grew disillusioned with the strictly procedural nature of the show and opted to leave after the finish of the ninth season. Starting in 2009, Beach played a supporting role on the HBO series Big Love as a manager in an Indian casino with Bill Henrickson (Bill Paxton). On February 10, 2010, it was announced that Beach will portray Tommy Prince, the Canadian war hero, in an upcoming movie about his life. According to Bay Film Studios, the movie will be a "true account of Canada's most highly decorated First Nations soldier." Beach said he is honoured to portray Prince, calling him a positive role model for all First Nations. In 2011, he starred in Cowboys & Aliens, an American science fiction Western film directed by Jon Favreau and starring Daniel Craig, Harrison Ford, and Olivia Wilde. The film is based on the 2006 graphic novel of the same name created by Scott Mitchell Rosenberg. Also in 2011, Beach returned to Canada to star in the TV series Arctic Air, which premiered on January 12, 2012. In 2015, Beach appeared on several episodes of Backstrom as Sheriff Jesse Rocha. In 2017, he played Black Hawk in Hostiles, starring Christian Bale, Rosamund Pike, and Wes Studi. Beach selected as the host for the new Canadian competition show A Cut Above. It will air starting on August 8 on Discovery Channel. Personal life Adam Beach has been married three times and has three children. He has two sons with his first wife, Meredith Porter (married 1999–2002). He did not have children with his second wife, Tara Mason