Guest Stars Paget Brewster voices Della Duck Kari Wahlgren voices Roxanne Featherly Julie Bowen voices Penumbra Chris Diamantopoulos voices Storkules Lance Reddick voices Lunaris Rob Paulsen voices Gibbous April Winchell voices Zenith Michael Chiklis voices Zeus Laura Bailey voices Palus April Winchell voices Spear Computer Chris Diamantopoulos voices Mythical Goat Sam Riegel voices Moonlanders