(Backlot Docs) Actor Martin Sheen, center, is arrested during a protest near a nuclear-weapons test facility in Nevada in 1988, in an image featured in the documentary "Downwind," which Sheen narrates. The movie, which examines how nuclear testing created radioactive fallout that landed in southern Utah and beyond, is scheduled to premiere at the 2023 Slamdance Film Festival in Park City in January 2023, festival organizers announced on Dec. 5, 2022.