Cast:[]
- Yakko Warner as William Furno
- Wakko Warner as Mark Surge
- Dr. Otto ScratchNSniff as Preston Stormer
- Pesto as Julius Nex
- Ralph T. Guard as Jimi Stringer
- Hello Nurse as Natalie Breez
- Miss Flamiel as Waspix
- Squint as Duncan Bulk
- Buttons as Raw Jaw
- Bobby as Nathan Evo
- Skippy Squirrel as Rocka
- Runt as Professor Zib
- Dot Warner as Call Person
- Mr. Director as Akiyama Makuhero
- Yosemite Sam as Xplode
- Duke the Squirrel as Drilldozer
- Pinky as Meltdown
- The Brain as Thunder
- Elmer Fudd as Rotor
- Montana Max as Von Ness/Von Nebula
- Newt as Corroder
- Snowball as Scorpio
- King Salazar as Fire Lord
- Sid the Squid as Nitroblast
- Beanie the Brain-Dead Bison as Jetbug
- Walter Wolf as Witch Doctor