Gravity Falls/An American Tail

Dipper Pines as Fievel Mousekwitz

Wendy Corduroy as Cholena

Mabel Pines as Tanya

Commander Rourke (from Atlantis: The Lost Empire) as Warren T. Rat

Erik Hellstrom (from Atlantis: Milo's Return) as Erik Hellstrom

Percival C. Mcleach (from The Rescuers Down Under) as Chief McBrusque

Mr. Snoops (from The Rescuers) as Scuttlebutt

Madame Medusa (from The Rescuers) as Madame Mousey