Guest Stars Paget Brewster voices Della Duck Keith Ferguson voices Flintheart Glomgold Kari Wahlgren voices Roxanne Featherly Catherine Tate voices Magica De Spell Josh Brener voices Mark Beaks Margo Martindale voices Ma Beagle Eric Bauza voices Beagle Boys Natasha Rothwell voices Zan Owlson Jaime Camil voices Don Karnage Yuri Lowenthal voices DT-87 David Kaye voices Demoworth