Katherine Langford is an Australian actress. After appearing in several independent films, she had her breakthrough starring as Hannah Baker in the Netflix television series 13 Reasons Why, which earned her a Golden Globe Award nomination.
Jojo is a lonely German boy who discovers that his single mother is hiding a Jewish girl in their attic. Aided only by his imaginary friend -- Adolf Hitler -- Jojo must confront his blind nationalism as World War II continues to rage on.
