Guest Stars David Oyelowo voices Agent Kallus Dee Bradley Baker voices Captain Rex Clancy Brown voices Ryder Azadi Keith Szarabajka voices Cikatro Vizago Genevieve O'Reilly voices Mon Mothma Dante Basco voices Jai Kell Greg Ellis voices Baron Valen Rudor Steve Blum voices Alton Kastle Josh Brener voices Erskin Semaj