Mr. Conductor
Stacy Jones
Billy Twofeathers
Kara Cupper
Dan Jones
Becky
Schemer (as Brian O'Connor)
Max Okowsky
Tito Swing (voice)
Didi the Drummer (voice) (as Olga Felgemacher Marin)
Rex (voice)
Grace (puppet)
Grace the Bass
Tex (voice)
The Mayor
Ginny
Kit Twofeathers
J.B. King
Midge Smoot
Sledgebolt
Sluggo
Felix Perez (as Aurelio Padron)
Schemee
Trumpet Creature (puppet) / Other Puppets (uncredited)