All the world’s a stage — including courtrooms. The Geffen Playhouse is on the receiving end of a lawsuit filed today by its former longtime artistic director that claims age and disability discrimination, fraud, slander and “a succession of lies” The filing lands one day after Game of Thrones helmer Matt Shakman…

Matt Shakman, a theater, film and television director who helmed the celebrated August 6 “Spoils of War” episode of HBO’s Game of Thrones, has been named artistic director of the Geffen Playhouse in Westwood. Shakman succeeds departing a.d. Randall Arney, who announced his intention to move on in February after 17…