Mary Pat GleasonProfessor Foxtrot (voice) Katie MarovitchMindy (voice) Ally BeardsleyRiver (voice) Raphael ChestangJason (voice) Mike TrappPenguins (voice) / Scenariusz / Executive Producer David KernsAlexei Leonov (voice) / Executive Producer Grant O'BrienAndrew Jackson (voice) Joe OchmanErnest Crocker (voice) Adam ConoverDoctor Gamma (voice) Sam ReichStubbins Ffirth (voice) / Executive Producer Josh RubenKing Charles (voice) Ian James CorlettGeorge Psalmanazar / John Howard (voice) Siobhan ThompsonMary Toft (voice) Hesley HarpsFemale Antechinus / Female Bedbug (voice) Joe J. ThomasLytle S. Adams (voice) Jamieson PriceCIA Agent (voice) Nick ShakoourBarbier-Dufai (voice) Laura PostPrincess Pauline (voice) Gemma BishopCountess Anastasia (voice) Ashley GardnerBaroness Lubinska (voice) Rekha ShankarSloth (voice) Eric TiedeDolphin (voice) Brennan Lee MulliganGregor MacGregor (voice) Adam LustickSalomon August Andree (voice) Maury SterlingScottish Settler (voice) Jesse CortiPope Stephen VI (voice) Mike TrappPenguins (voice) / Scenariusz / Executive Producer Shane RahmaniExecutive Producer David KernsAlexei Leonov (voice) / Executive Producer Sam ReichStubbins Ffirth (voice) / Executive Producer Ack KinmonthOriginal Music Composer Zach RobinsonTheme Song Performance Steve ThornelySound Mixer Amanda Lenker DoyleCasting Brittany LesterProduction Coordinator Annie HumphrevilleExecutive Assistant Chetera BellAssistant Accountant Chrissy Fiorilli-EllingtonCasting Alex EdgeSupervising Producer Liana WrightProduction Manager Lesa GreenfieldProduction Director Claire RentonLead Animator 
