Nope. It's not. I've looked it up. The answers are from two different sources One answer was Tom Hanks, and the other was Daryl Sabara. I also looked at the full cast list and Josh Hutcherson wasn't listed.
Standard O heavyweight passenger cars in the official Polar Express paint scheme: Polar Express Baggage Car! Features •Die-cast metal sprung trucks and operating •couplers •Hidden uncoupling tabs •Flexible diaphragms between cars •Opening doors •Authentic Polar Express decoration and details •Overhead interior lighting with On/Off switch •Super-detailed with many separately-applied parts •Detailed interior floor plan Gauge: Standard O Dimensions: Length: 19" Minimum Curve: O-54