Open this photo in gallery: Polish filmmaker Agnieszka Holland working on the film Green Border.Agata Kubis/Courtesy of Kino Lorber Talking with Polish filmmaker Agnieszka Holland over Zoom the other week, it becomes deeply, darkly funny that the soft-spoken 75-year-old has become Warsaw’s public enemy number one. A deeply humane and philosophical artist who is known as much for her historical films (the Holocaust drama In Darkness, the Holodomor biopic Mr. Jones) as her family films (The Secret Garden), Holland ignited the incendiary ire of her country’s government this past fall when she released Green Border, a harrowing thriller dramatizing the...