Cathy Cavadini

as Blossom (voice)

Tara Strong

as Bubbles / Alarm System (voice)

E. G. Daily

as Buttercup (voice)

Tom Kenny

as Narrator / Mayor / Dove (voice)

Tom Kane

as Professor / Him / Talking Dog (voice)

Roger L. Jackson

as Mojo Jojo (voice)

Jennifer Martin

as Ms. Bellum (voice)

Kevin Michael Richardson

as Fish Balloon (voice)

Jeff Bennett

as Ace / Prisoner / Concerned Citizen (voice)

Jim Cummings

as Fuzzy Lumpkins (voice)

Jennifer Hale

as Princess (voice)