HELEN. TEUCER. CHORUS OF GRECIAN DAMES (HELEN’S ATTENDANTS). MENELAUS. FEMALE SERVANT. MESSENGER. THEOCLYMENUS. THEONOE. CASTOR AND POLLUX. SCENE.—PROTEUS’ TOMB, AT THE ENTRANCE OF THEOCLYMENUS’ PALACE IN PHAROS, AN ISLAND AT THE MOUTH OF THE NILE.