<Ul> <Li> Tom Hanks as the Hero Boy ( motion - capture only ) , the Hero Boy 's father , the Conductor , the Hobo , Santa Claus , and the Narrator <Ul> <Li> Daryl Sabara as the Hero Boy ( voice ) </Li> <Li> Josh Hutcherson as the Hero Boy ( additional motion - capture ) </Li> </Ul> </Li> <Li> Leslie Zemeckis as Sister Sarah ( motion - capture only ) and the Hero Boy 's mother <Ul> <Li> Isabella Peregrina as Sister Sarah ( voice ) </Li> <Li> Ashly Holloway as Sister Sarah ( additional motion - capture ) </Li> </Ul> </Li> <Li> Eddie Deezen as Know - It - All <Ul> <Li> Jimmy ' Jax ' Pinchak as Know - It - All ( additional motion - capture ) </Li> </Ul> </Li> <Li> Nona Gaye as the Hero Girl <Ul> <Li> Chantel Valdivieso as the Hero Girl ( additional motion - capture ) </Li> <Li> Meagan Moore as the Hero Girl ( singing voice ) </Li> <Li> Tinashe as the Hero Girl ( motion - capture modeling ) </Li> </Ul> </Li> <Li> Peter Scolari as Billy the Lonely Boy ( motion - capture only ) <Ul> <Li> Hayden McFarland as Billy the Lonely Boy ( additional motion - capture ) </Li> <Li> Jimmy Bennett as Billy the Lonely Boy ( voice ) </Li> <Li> Matthew Hall as Billy the Lonely Boy ( singing voice ) </Li> </Ul> </Li> <Li> Dylan Cash as Boy on Train ( voice ) </Li> <Li> Brendan King and Andy Pellick as the Pastry Chefs </Li> <Li> Josh Eli , Rolandas Hendricks , Jon Scott , Sean Scott , Mark Mendonca , Mark Goodman , Gregory Gast , and Gordon Hart as the Waiters </Li> <Li> Andre Sogliuzzo as Smokey and Steamer ( voice ) <Ul> <Li> Michael Jeter as Smokey and Steamer ( motion - capture only ) </Li> </Ul> </Li> <Li> Chris Coppola as Gus the Toothless Boy and an Elf <Ul> <Li> Connor Matheus as the Toothless Boy ( additional motion - capture ) </Li> </Ul> </Li> <Li> Julene Renee as the Red Head Girl and an Elf </Li> <Li> Phil Fondacaro , Debbie Lee Carrington , Mark Povinelli , and Ed Gale as Elves </Li> <Li> Charles Fleischer as the Elf General </Li> <Li> Steven Tyler as the Elf Lieutenant and the Elf Singer </Li> <Li> Dante Pastula as the Little Boy </Li> <Li> Eric Newton , Aidan O'Shea , Aaron Hendry , Kevin C. Carr , Bee Jay Joyer , Jena Carpenter , Karine Mauffrey , Beth Carpenter , Bill Forchion , Devin Henderson , and Sagiv Ben - Binyamin as Acrobatic Elves </Li> <Li> Evan Sabara as a Young Boy ( additional motion - capture ) </Li> </Ul>
who played the little boy in polar express
Daryl Sabara