Sir Patrick Stewart’s passing has led to fans across the globe mourning his demise and remembering the actor. Patrick Stewart, the English actor known for making his acting debut in Shakespearean theatre and starring in big-ticket Marvel movies, passed away at the age of 86 on October 28, 2026.. Patrick Stewart's final onscreen appearance as Professor X in Avengers: Doomsday will carry special meaning following his death at 86.