Patrick Stewart, the classically trained British actor who became a global fixture as Captain Jean-Luc Picard and Professor Charles Xavier, died Wednesday at the age of 86. He leaves behind a body of work that moved effortlessly between the hushed stages of London and the box office giants of Hollywood.

From the RSC to the Starship Enterprise

Stewart spent 16 years with the Royal Shakespeare Company before he ever set foot on a television soundstage. He made his Broadway debut alongside Ben Kingsley and Frances de la Tour in a legendary production of A Midsummer Night’s Dream directed by the influential Peter Brook. He was also a frequent presence at the Royal National Theatre.

That background made his casting in 1987 in Star Trek: The Next Generation look like an odd gamble to some observers. Stewart was a renowned stage actor, but Hollywood saw him as an unknown quantity. Nobody in the industry seemed to grasp what he could bring to the screen.

Friend and colleague Ian McKellen urged him not to abandon his prime Shakespearean years, a path that could have led from Hamlet and Macbeth to King Lear. Stewart took the Star Trek job anyway. He signed the standard six-year contract even though agents and industry associates quietly assured him the show would probably last a single season. He could collect his television money and return to the British stage.

The show had other plans. Star Trek: The Next Generation ran for 178 episodes over seven seasons, peaking at 12 million viewers. The 1994 series finale drew more than 30 million viewers. The franchise spawned four feature films and a spinoff, Star Trek: Picard, in which Stewart returned to the role for three seasons. The series made him wealthy and gave him global recognition.

Stewart’s theater discipline also shaped the working culture on set. By all accounts, the rigorous habits he had built over decades on stage helped set the standard for the entire company.

A Yorkshire upbringing and the steel behind the voice

For a man with such crisp, cut-glass diction, stentorian delivery and regal bearing, it is hard to believe Stewart grew up in a working-class Yorkshire family. His childhood was unstable. He was often forced to step between his mother and his father during explosions of domestic violence. His father was a World War II veteran who suffered from undiagnosed PTSD.

That upbringing, many fans and critics argue, gave his screen presence its warmth. Beneath Picard’s authority was a man of deep kindness, mentorship and protectiveness toward his crew. The steel was real, but so was the empathy.

Charles Xavier and the rise of the superhero blockbuster

Stewart’s Shakespearean gift for language and dramatic nuance carried into another defining role. He played Professor Charles Xavier in the X-Men franchise, beginning in the late 1990s. The superhero genre was in its infancy then, and casting actors of Stewart’s and McKellen’s caliber gave those films a legitimacy that helped turn them into pop culture events.

Xavier, a telepathic mutant who founded the Xavier School for Gifted Youngsters, was a stern but nurturing figure. He offered refuge to young people who had been displaced or discriminated against. McKellen played the Machiavellian Magneto, whose quest for mutant supremacy set the stage for one of Marvel’s most compelling pairings.

Between 2000 and 2017, Stewart made seven X-Men features that collectively grossed $3.32 billion. He also appeared in two separate Marvel Cinematic Universe films.

Logan and the performance that stayed with fans

Many fans will have their own favorite Xavier moments. For one critic’s appreciation, Stewart’s best work came in his final role in the franchise, James Mangold’s haunting, Western-adjacent Logan. Starring opposite Hugh Jackman as a battle-weary Wolverine, Stewart played an ailing Professor X whose telepathic gifts were turned glitchy by an unknown brain disease.

He brought enormous pathos and heart to the part. The emotional depth carried by both leads, and especially by Stewart, made Logan one of the most unexpectedly poignant films in the MCU. It transcended the comic-book genre and became a moving character study. Stewart’s final appearance as Xavier is set to come in the upcoming Avengers: Doomsday.

Broadway, Macbeth and a double bill with McKellen

Stewart’s stage work was never a side note. In 2008, at age 68, he starred in director Rupert Goold’s hyper-kinetic, horror-movie reimagining of Macbeth. He was older than most actors cast in the title role, and his age fed a rich current of resentment at being passed over for leadership despite his valor on the battlefield. Kate Fleetwood, cast as a ruthlessly ambitious trophy wife some three decades younger, added tension to the conspiratorial marriage at the play’s center.

Stewart’s Macbeth was a murderous fiend, goaded into action by his wife. Yet the actor layered in steadily amplified frailty, paranoia and bewilderment. He never turned the tyrant sympathetic, but he made it impossible not to feel for a once-great man undone by his own treachery.

He returned to Broadway in 2013 for a blistering double bill of Harold Pinter’s No Man’s Land and Samuel Beckett’s Waiting for Godot, reuniting with McKellen. The two actors had first shared a stage in 1977 at the RSC. Their spiky interplay, more than three decades and many adversarial X-Men encounters later, was thrilling to watch. The absurdist pieces traced the treacherous limbo between birth and death, and the humor and cruelty in both performances overlapped at every turn.

A legacy that outgrew the label

Stewart’s death is a sad occasion, but his legacy is a strong one. His career showed that classical training and a firm grasp of Shakespearean poetry can add dramatic weight, psychological complexity and emotional impact to even the most unlikely genre material. From the bridge of the Enterprise to the mutant school in Westchester, he carried the discipline of the stage into every frame.

“Not bad for an ‘unknown British Shakespearean actor.’”