Fievel's Greatest Mysteries Is A 1989 Film.
Fievel, Tony, Scuttlebutt, and Scuttlebutt’s Three Children, Cyrus, Hansa, and Jack, solve a mystery about Tanya taking a risk fighting Her Evil Clone.
- Phillip Glasser as Fievel Mousekewitz
- Cathy Cavadini as Tanya Mousekewitz
- Pat Musick as Tony Toponi and Jack
- John Kassir as Scuttlebutt, Ferdy, Cyrus, Jukebox and Horse Face, Evil Scuttlebutt, and Nightmare Scuttlebutt
- B.J. Ward as Mira Mousekewitz and Evil Tanya Mousekewitz
- Sherman Howard as Chief McBrusque
- Dom DeLuise as Tiger
- TBA as Hansa
- Susan Boyd as Peoria
- Frank Welker as Tank Top Mouse/
- Don Messick as
- Michael Bell as
- Pat Fraley as
- Everything's Gonna Be Alright - Chief McBrusque, Scuttlebutt, Fievel Mousekewitz, Tony Toponi, Cyrus, Hansa, and Jack
- Heaven's Light - Fievel Mousekewitz
- Running Time:
- G-rated for
- preceded by Bobby Bear's Spookiest Tales and followed by Scuttlebutt and the Secret Pebble.
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