Tonatiuh, whose credits include the ABC drama “Promised Land” and the Netflix thriller “Carry-On,” won his “Spider Woman” role after a worldwide casting search. He didn’t research window dressing, but he did binge on classic Hollywood—“Singin’ in the Rain,” Montgomery Clift—and study life under dictatorship. “God, imagine just getting pulled off the street for speaking,” he deadpanned. “What a crazy world.”