Cast and credits of Birthday Bash (1999)

Craig McCracken

Randy Myers

Tom Kane
Professor / Stanley Whitfield / Him / Cop (voice)

Tom Kenny
Narrator / Mayor / Clown / Fireman (voice)

Tara Strong
Bubbles / Kid / Lady #2 (voice) (as Tara Charendoff)

Cathy Cavadini
Blossom / Kid / Lady #3 (voice) (as Catherine Cavadini)

Elizabeth Daily
Buttercup / Old Lady / Old Woman (voice) (as E.G. Daily)

Jennifer Hale
Ms. Keane / Princess / Lady #1 (voice)

Roger Jackson
Mojo Jojo / Robot (voice) (as Roger L. Jackson)

Chuck McCann
Bossman / Jr. / Skinny (voice)

Dee Bradley Baker
Old Man / Powerplant Guy / Rapper #1 (voice)