Mary Pat GleasonProfessor Foxtrot (voice) Katie MarovitchMindy (voice) Ally BeardsleyRiver (voice) Raphael ChestangJason (voice) Mike TrappFrog (voice) / Scenariusz / Executive Producer David KernsAlexei Leonov (voice) / Executive Producer Grant O'BrienAndrew Jackson (voice) Joe OchmanAugust Bier (voice) Adam ConoverDoctor Gamma (voice) Sam ReichStubbins Ffirth (voice) / Executive Producer Ian James CorlettGeorge Psalmanazar / John Howard (voice) Siobhan ThompsonAmsterdam Woman (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 TrappFrog (voice) / Scenariusz / Executive Producer Sam ReichStubbins Ffirth (voice) / Executive Producer Shane RahmaniExecutive Producer David KernsAlexei Leonov (voice) / Executive Producer Zach RobinsonTheme Song Performance Steve ThornelySound Mixer Ack KinmonthOriginal Music Composer Liana WrightProduction Manager Brittany LesterProduction Coordinator Chrissy Fiorilli-EllingtonCasting Annie HumphrevilleExecutive Assistant Lesa GreenfieldProduction Director Alex EdgeSupervising Producer Chetera BellAssistant Accountant Amanda Lenker DoyleCasting Claire RentonLead Animator 
