Sean Penn in 'One Battle After Another.' Warner Bros./Courtesy Everett Collection Share on Facebook Share on X Google Preferred Share to Flipboard Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Send an Email Print the Article Post a Comment Sean Penn was not on hand at the Dolby Theatre in Los Angeles for the 2026 Oscars on Sunday night when he became the fourth man to win three acting Oscars, taking best supporting actor for his villainous turn in One Battle After Another.