Sean Penn made headlines at the 2026 Academy Awards after winning Best Supporting Actor for his role in One Battle After Another—but the Oscar-winning star was notably absent from the ceremony. Presenter Kieran Culkin joked about his absence on stage, while reports confirmed Penn was in Ukraine at the time. The win marks Penn’s third Oscar, adding to his celebrated career, which includes past wins for Mystic River and Milk. Known for his strong ties to Ukraine, Penn had previously gifted one of his Oscars to President Volodymyr Zelenskyy. His absence also continues a pattern, as he has skipped several major award shows in the past despite nominations and wins.