He spent sixteen years doing Broadway before the television landscape found him useful. A Tony nomination for Who's Afraid of Virginia Woolf? in 2005 and supporting turns in Quantum of Solace and Revolutionary Road gave him a reputation but not name recognition. Stranger Things fixed that. Cast as small-town police chief Jim Hopper at 41, he became the emotional center of one of Netflix's defining shows, earning back-to-back Emmy nominations for Supporting Actor in a Drama Series. Character actors don't usually get those breaks that late.
Hopper made him a franchise player. He played Red Guardian in Black Widow (2021), returned for Thunderbolts (2025), and is confirmed for Avengers: Doomsday. Violent Night gave him a second lane as a Christmas action movie lead. Then his personal life caught up with him: his marriage to pop singer Lily Allen ended in 2025 amid allegations of infidelity. He's been publicly open about bipolar 2 disorder, a history with hospitalizations, and intensive psychotherapy. The personal chaos doesn't seem to have affected his bookings.
He studied drama at Dartmouth and spent his early twenties doing Shakespeare in Maine before a stretch on Broadway that included a Tony nomination and a run in Tom Stoppard's Coast of Utopia at Lincoln Center. He quit drinking well before any of that fame arrived. Most people who rack up Tony nominations spend the rest of their lives doing prestige theater. He ended up playing Santa Claus with a machine gun, and somehow that was the correct outcome.