David Tennant Scrooge McDuck Voice Danny Pudi Huey Voice Ben Schwartz Dewey Voice Bobby Moynihan Louie Voice Kate Micucci Webby Vanderquack Voice Beck Bennett Launchpad McQuack Voice Toks Olagundoye Mrs. Beakley Voice Tony Anselmo Donald Duck Voice Paget Brewster Della Duck Voice Lin-Manuel Miranda Fenton Crackshell-Cabrera, Gizmoduck Guest Voice Jameela Jamil Gandra Guest Voice Selenis Leyva Officer Cabrera, M'Ma Guest Voice Josh Brener Mark Beaks Guest Voice Matt Youngberg Executive Producer Francisco Angones Co-Producer Sean Jimenez Art Director