Werner Herzog's documentary film about the "Grizzly Man" Timothy Treadwell and what the thirteen summers in a National Park in Alaska were like in one man's attempt to protect the grizzly bears. The film is full of unique images and … Timothy Treadwell, Kathleen Parker, Warren Queeney, Willy Fulton, Sam Egli, Werner Herzog, David Letterman Added on Amazon Prime 2023-07-25.