"Krypto the Wonder Dog" is the fourth episode of Oliver and Fievel Rescue Rangers. It will appear on YouTube in the near future.
- Chip - Oliver (Oliver and Company)
- Dale - Fievel Mousekewitz (An American Tail)
- Gadget Hackwrench - Marie (The Aristocats)
- Monterey Jack - Scat Cat (The Aristocats)
- Zipper - Flounder (The Little Mermaid)
- Fat Cat - Cat R. Waul (An American Tail 2: Fievel Goes West)
- Mepps - T.R. Chula (An American Tail 2: Fievel Goes West)
- Snout - Warren T Rat (An American Tail)
- Wart - Kaa (The Jungle Book)
- Mole - One Eyed (An American Tail 2: Fievel Goes West)
- Flash the Wonder Dog - Krypto the Superdog
- Conrad Cockatoo - Robbie the Robin (Krypto the Superdog)
- Movie Director - Himself
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