The Cat
Sally Walden
Conrad Walden
Joan Walden
Larry Quinn
Mrs. Kwan
Mr. Humberfloob / Fish (voice)
Thing One
Thing One
Thing Two
Thing Two
Thing One / Thing Two (voice)
Narrator (voice)
Announcer
Nevins (voice)
Kate the Caterer
Denise
Dumb Schweitzer
Female Club-Goer
Secretary
Jim McFinnigan
Mr. Vompatatat
Mailman (uncredited)
Man in Street (uncredited)
Sanjay (uncredited)
Waiter (uncredited)