Jeff Bennett

Chief (voice),Igor (voice),Anchor Man / Police Chief / Judge / Guard (voice),.....

Charlie Adler

Captain / Soldier / Porcupine (voice),(voice),Wimpy Alien / Alien Dad / Terrified Man / Alien Grandpa (voice),.....

Kath Soucie

Scarlet / Winona (voice),Bubbles / Teacher (voice),Mom (voice),.....

Jim Cummings

Tad / General / Narrator / Dog (voice),Trucker / French Chef / Fat Guy / Colonel (voice),(voice),.....

Rob Paulsen

Zeek / Plunger Boy / Executive (voice),Pigeon (voice),Noof / Yoink / Sgt. Farflung (voice),.....

Frank Welker

Pudge (voice),President / General Guy / Man #2 / Einstein (voice),Stinky / Elmo / Bloo's Owner (voice),.....

Candi Milo

Poopsie (voice),Mom (voice),Teacher / Timmy (voice),.....

Christine Cavanaugh

Dexter (voice),Boy / Alien Kid #2 (voice)

Nick Jameson

Scientist / Guard Bird / Cop / Dinosaur (voice),Simon / Cat #1 / Truck Driver (voice),(voice)

Gregg Berger

Alien #1 / Alien #2 / Fed / Cop (voice),Man / Cat #2 (voice),Bear / Dog / Priest (voice)