Cab Driver / Narrator (voice)
Danny DeVito
Leo's Mother (voice)
Lucy Liu
Snowball Fight Kid / Older Brother / Policeman (voice)
Danny Tamberelli
Younger Brother / Girl on Santa's Lap (voice)
Veronica Taylor
Hot Dog Vendor (voice)
Ramsey Faragallah
Chinese Man (voice)
Les Mau
African American Mom / African American Girl (voice)
Sharon Wilkins
Security Guard (voice) (as Shawn T. Andrew)
Shawn Andrew
Leo's Father (voice)
Freddy Rodríguez
Big Sister (voice)
Brenda Song
Little Spirit / Ramona / Squirrel / Pigeon (voice)
Fred Newman
Dylan (voice)
Rachel Schier
Rock Granite (voice)
Brian Williams
Leo (voice)
Michael Hall D'Addario
Girls' Mom / Knitting Lady (voice)
Sally Winters
Narrator - Dead Fish (voice)
Todd Cummings
Director
Leopoldo Gout
Writer
Andy Rheingold
Susan Holden