Murphys, CA…SPEED-THE-PLOW, APRIL 28th to MAY 14th. Mamet’s signature satirical, fast-talking, and witty banter represents the raw naturalism of his characters and creates his ‘profane poetry’ admired by so many. His work has been made into hit films such as The Untouchables, Wag the Dog, and Glengarry Glen Ross and his films and stage plays have been studded with acclaimed actors.