The Cat
Quinn
Mom
Sally
Conrad
Mrs. Kwan
Mr. Humberfloob / Voice of the Fish
Thing One (as Danielle Ryan Chuchran)
Thing One
Thing Two
Thing Two (as Talia Prairie)
Thing One / Thing Two (voice)
Narrator (voice)
Announcer
Nevins
Nevins (voice)
Kate the Caterer
Denise
Dumb Schweitzer
Female Club-Goer
Secretary (as Candace Dean Brown)
Jim McFinnigan
Mr. Vompatatat (as Roger Morrisey)
Old Lady#2 (uncredited)
Party Goer (uncredited)
Mailman (uncredited)
Girl at Party (uncredited)
Meter Maid (uncredited)