Guest Stars Lin-Manuel Miranda voices Fenton Crackshell-Cabrera / Gizmoduck Marc Evan Jackson voices Bradford Buzzard April Winchell voices Black Heron Natasha Rothwell voices Zan Owlson Chris Diamantopoulos voices Drake Mallard/Darkwing Duck Stephanie Beatriz voices Gosalyn Waddlemeyer Keith Ferguson voices Megavolt James Monroe Iglehart voices Taurus Bulba Jameela Jamil voices W.A.N.D.A. Keith Ferguson voices Liquidator Michael Bell voices Quackerjack