Stephen Lang developed a career grounded in classical training and sustained work across stage, film, and television. He built early recognition through theater, particularly on Broadway, where his performance in The Speed of Darkness earned a Tony Award nomination. In film, he gained global visibility portraying Colonel Miles Quaritch in Avatar, combining physical presence with psychological intensity. His work in Don’t Breathe reinforced his association with controlled, tension-driven narratives, while roles in Public Enemies and Gettysburg demonstrated historical and dramatic range. Lang continues to alternate between large-scale productions and character-focused projects, maintaining a career defined by discipline, physical commitment, and continuity across mediums.