Guest Stars Lars Mikkelsen voices Grand Admiral Thrawn Robin Atkin Downes voices Stormtrooper #1 Steve Blum voices Imperial Officer Freddie Prinze, Jr. voices Stormtrooper #2 Dave Filoni voices Stormtrooper #3 Robin Atkin Downes voices Cham Syndulla Catherine Taber voices Numa André Sogliuzzo voices Captain Slavin Dave Filoni voices Scout Trooper Corey Burton voices Gobi Glie