Theater of War is a 2008 documentary film directed by John Walter. The film uses the rehearsal process of a play production as a lens through which to investigate German playwright Bertolt Brecht's ideas on theater, politics, and war. The chosen production is a 2006 staging of Mother Courage and Her Children staged by The Public Theater in New York's Central Park, the production starred Meryl Streep and Kevin Kline, and was helmed by George C. Wolfe.