David Harbour Opens Up: Mental Health Crisis and Stranger Things Drama

When fame and mental health collide, the fallout can be brutal—and often invisible to everyone watching from the outside. David Harbour just pulled back the curtain on a painful period that forced him to reckon with both his own psychological struggles and the tabloid narratives threatening to define them.

In an interview with Variety, the Stranger Things star revealed that he experienced a significant mental health breakdown last year, one that left him grappling with depression, mania, and episodes he admits were“confusing as hell”not just for himself, but for those around him. That’s the hard truth about mental health crises: they don’t just happen in isolation. They ripple outward, affecting relationships, reputations, and how the world perceives you. For Harbour, that ripple took a specific shape: reports of tension with his costar Millie Bobby Brown.

According to Harbour, false reporting about their working relationship—claims that Millie had filed a bullying and harassment complaint against him—acted as a trigger during an already fragile time. The incident culminated in a bizarre December encounter at a California bar where Harbour took a man’s hat, behavior that only amplified the narrative swirling around him. But here’s where the story shifts: Harbour is now drawing a distinction between tabloid drama and human complexity. He’s comparing their dynamic to a real family relationship, which makes sense given they played a father-daughter duo on screen for a decade during some of Millie’s most formative years. Real families argue. They push each other. They find their way back.

And that’s exactly what happened here. Millie responded with her own statement, confirming that their working relationship evolved into something increasingly collaborative—the kind of creative friction that actually pushes performers to dig deeper emotionally. They always found their way back to each other. The kicker? They’re already working on other projects together, and the bond they built over years remains intact. In a landscape where celebrity feuds are manufactured for clicks and mental health crises are treated as tabloid fodder, their willingness to be honest about complexity feels almost radical.