At 71 years old, Stephen Lang has this physical status:
Lang played Harold (Happy) Loman in the 1984 Broadway revival of Death of a Salesman and the 1985 television film with Dustin Hoffman as Willy Loman, and appeared in the first Hannibal Lecter film Manhunter (1986), as reporter Freddy Lounds. He played attorney David Abrams in the television series Crime Story (1986–1988). He played the title role in the NBC movie Babe Ruth (1991). He later played the "One Armed Man" in The Fugitive, the 2000 revival starring Tim Daly. The series was a modest success but lasted only one season because of its large production budget.
In 1992, he was nominated for a Tony Award for his lead role in The Speed of Darkness. His film role in Last Exit to Brooklyn (1989) garnered him widespread critical acclaim, but its limited release prevented the film from reaching a wider audience. On stage, he was the first to play the role of Colonel Nathan Jessup in A Few Good Men, a role made famous on film (1992) by Jack Nicholson. He is the winner of over half a dozen theatre awards including the Drama Desk and Helen Hayes awards.
In films, he played Maj. Gen. George E. Pickett in Gettysburg (1993) and the lead role of Thomas "Stonewall" Jackson in the Gettysburg prequel Gods and Generals (2003), both from director Ronald F. Maxwell.
Shortly before Arthur Miller's death in February 2005, Lang appeared in his long-time friend's last play, titled Finishing the Picture. It premiered in 2004 at Chicago's Goodman Theatre, where Lang had the second run of his own play, Beyond Glory, which had premiered in Arlington, Virginia, early in 2004, and his Tony-nominated portrayal for The Speed of Darkness. Lang also performed Beyond Glory, a one-man show, for troops deployed overseas. In 2006, he played the role of Colonel Littlefield in John Patrick Shanley's play Defiance. He brought Beyond Glory to Roundabout's Off-Broadway Laura Pels Theatre in 2007. Since its New York City premiere, Beyond Glory has been nominated for a Drama Desk Award and a Lucille Lortel Award both for outstanding solo performance. A movie about the play has been produced and released.
Lang has a role in the ESPN miniseries The Bronx Is Burning, as well as roles in independent features Save Me and From Mexico with Love. He plays a lead role in James Cameron's sci-fi epic Avatar as the villainous Colonel Quaritch.
In 2009, he appeared in Michael Mann's film Public Enemies as FBI Agent Charles Winstead, the man widely considered to have fired the shots that killed John Dillinger, and in Grant Heslov's The Men Who Stare at Goats alongside Jeff Bridges, Kevin Spacey, Ewan McGregor, and George Clooney.
Also in 2009, he narrated the audiobook Road Rage—which combines the short stories "Duel" by Richard Matheson and "Throttle" by Stephen King and Joe Hill—and guest-starred in the Law & Order: Criminal Intent season 8 finale, "Revolution" in the role of Axel Kaspers. In 2010 he performed the narration for "The Gettysburg Story: Battlefield Auto Tour," the top-selling audio tour of the Gettysburg Battlefield at Gettysburg National Military Park in Gettysburg, Pennsylvania. Written and produced by filmmaker Jake Boritt and based on works by historian Gabor Boritt it tells the story of the Battle of Gettysburg and Abraham Lincoln's Gettysburg Address in Gettysburg National Cemetery. Lang is also the narrator of the companion public television documentary The Gettysburg Story presented by Maryland Public Television.
Lang played the villain Khalar Zym in the 2011 Conan the Barbarian reboot starring Jason Momoa. He also played one of the leads, Nathaniel Taylor, in the Steven Spielberg-produced TV series Terra Nova.
In February 2012, he signed on to play Mary Shannon's estranged father in a three episode arc on the final season of the USA television series In Plain Sight.
In 2013, Lang appeared in The Monkey's Paw for Chiller TV.
Lang has been confirmed as reprising his role as Colonel Miles Quaritch in the upcoming sequels to Avatar.
He plays Increase Mather, in a recurring role, on WGN America's first original scripted series, Salem.
Lang is part of the cast of AMC's martial-arts drama Into the Badlands. He played The Blind Man in Fede Álvarez's hit horror-thriller Don't Breathe (2016), which received positive reviews. He reprised the role in the sequel Don't Breathe 2 in 2021.
In February 2016, Lang lobbied for the role Cable in Deadpool 2 through captioned Twitter pictures. The role ultimately went to Josh Brolin. In 2017, he played Colonel Abraham Biggs in Hostiles, from director Scott Cooper. In 2018, he appeared as father of Joe Braven (Jason Momoa), Linden Braven in the action thriller film Braven, and played Shrike in Mortal Engines, which Peter Jackson produced for Universal Pictures and Media Rights Capital.