Peter Doyle
— Billy
Jim Gerard
— Billy's Dad
Mary Sterling
— Billy's Mom
Jo Jacobsmeier
— Billy's Aunt
Rusty Jacobsmeier
— Billy's Uncle
Alicia Kaplan
— Sprockets Lady
Larry Tallman Jr.
— Sprockets Guy
Adam Gross
— Billy at 12
Mary Ann Satter
— Cleaning Lady
Daniel Collien
— Infant
Cody Landers
— Billy at 2
Justin Higgins
— Billy at 3
Ada Battaglia
— Party Girl
Laura Mady
— Violin Teacher
Scott Andrews
— Party People
Gay Clarke
— Party People
Dixie Lee Gilbert
— Party People
Bobbie Higgins
— Party People
Beth Mandyck
— Party People
Charles Masick
— Party People
Joyce Stezar
— Party People
Jason Throckmorton
— Victorola Boy
Olivia Mady
— Real Estate Lady
Dave Kohler
— Moving Guy No. 1
Brad Stezar
— Boy with Dinosaur
Anne Mahe
— Girl with Drink
Claire Martin
— Flapper Girl
Dan Wolfanger
— Burglar
Skip Battaglia
— Carpenter
Matt Bass
— Moving Guy No. 2