what is a movement an actor in A Flag is Born involved with for years? 
A Flag is Born: A Flag is Born is a 1946 play that advocated the creation of a homeland for the Jewish people in the ancient Land of Israel—at the time of the play's release Mandatory Palestine, under British administration. A Flag is Born:  With a cast including Paul Muni, Celia Adler and Marlon Brando, it opened on Broadway on September 4, 1946.
i don't know