Sébastien Lifshitz’s documentary, which premiered in Venice and takes its North American bow at TIFF (Toronto International Film Festival), looks at a midcentury New York oasis for cross-dressing men and trans women. In the 1950s and 60s, when failure to wear gender-appropriate clothing was illegal across most of the States, a community of cross-dressing men found refuge at a modest house in the Catskills region of New York. Named after its matriarch, Casa Susanna provided community and validation for its guests. Some stills from Casa Susanna—