BAFTAs 2026: One Battle After Another's Sean Penn takes Best Supporting Actor Sean Penn won Best Supporting Actor at the 2026 EE BAFTA Film Awards, but Gillian Anderson accepted the gong on his behalf. 22 February 2026 Sean Penn was declared Best Supporting Actor at the 2026 EE BAFTA Film Awards. One Battle After Another's Sean Penn won Best Supporting Actor at the 2026 EE BAFTA Film Awards The 65-year-old actor fended off his One Battle After Another co-star Benicio del Toro, Jacob Elordi (Frankenstein), Paul Mescal (Hamnet), Peter Mullan (I Swear), and Stellan Skarsgard (Sentimental Value) f...