塞尔希奥·卡斯特罗-圣马丁，Sergio Castro-San Martín is a screenwriter, director, and photographer. He has worked in fiction, television, and documentary. In 2026, he wrote and directed the Chilean-Spanish-Argentine co-production Mil Pedazos (official selection at the 29th Málaga Film Festival and the San Sebastián Co-production Forum) and Il Cileno, a co-production between Italy, Chile and Switzerland, distributed internationally by Fandango.