Mike Nawrocki

as Stewart Green (Larry the Cucumber) / Art Green / QWERTY / Worker Pete (Oscar the Polish Caterer) / Lil' Pea / Grampa Gourd

Phil Vischer

as Bob the Tomato / Morty Bumble (Mr. Lunt) / Stewart's Dad (Mr. Nezzer) / Jim Gourdly / Percy Pea / Silly Song Announcer

Alan Lee

as Gabe the Conductor

Lisa Vischer

as Junior Asparagus / Mom Asparagus

Stevey Joy Ru Chapman

as Emma Green

Cydney Trent

as Donna Green (Petunia Rhubarb)

Keri Pisapia

as Linda Dulce / Barney Green / Mrs. Josephson

Lilly Carter

as Maggie Greenman