Dexter's Laboratory

Jeff Bennett
Dad (voice)

Kath Soucie
Mom (voice)

Christine Cavanaugh
Dexter (voice)

Kat Cressida
Dee Dee (voice)

Candi Milo
Dexter (voice)

Allison Moore
Dee Dee (voice)

Eddie Deezen
Mandark (voice)

Dom DeLuise
Koosalagoopagoop (voice)

Pamela Adlon
Beau (voice)

Frank Welker
Dynomutt / Dynomutt X90 (voice) /

Tom Kenny
Ultrabot 2000 (voice) / Peepers (voice)

Jennifer Hale

Kevin Michael Richardson

Randy Poffo
Rasslor (voice)

Gary Owens
Blue Falcon (voice)

Agostino Castagnola
Doctor / Narrator (voice)

Martin Mull
M.A.R. 10 (voice)

Fred Willard
F.R.E.D. (voice)

Mark Hamill
Magic Uncle Fergel O'Reilly (voice)

Michael Dorn
Robo Dexo 3000 (voice)