The Polar Express is one of those Christmas movies that feels like a warm blanket and a slightly strange dream at the same time. It follows a young boy who stops believing in Santa, then gets swept onto a magical train bound for the North Pole on Christmas Eve. It is built around a small cast of memorable kids and a handful of mysterious adults, and there is one wild fact about the cast that most people never notice.
So here is the full guide to the characters in The Polar Express: who they are, who voices them, why most of them do not have names, and how one actor ended up playing what feels like half the movie.
How Many Characters Does Tom Hanks Play in The Polar Express?
Let me start with the headline, because it is the best piece of trivia about this whole film. Tom Hanks does not just play the Conductor. He plays a huge chunk of the cast.
This was possible because of the film’s big gimmick: performance capture. Actors wore sensor suits, and their movements were mapped onto digital characters. It let one actor become many people. Hanks optioned the book years earlier after reading it to his own kids, hoping to play the Conductor and Santa. He ended up with four more roles on top of that.
The Main Characters in The Polar Express
Beyond Hanks wearing every hat, the heart of the movie is its small group of kids. Here is everyone who matters.
Hero Boy
Hero Boy is our main character, the doubter whose belief in Christmas is fading. The whole journey is really about whether he can believe again. His movement was motion-captured mostly by Tom Hanks, with a young Josh Hutcherson, years before The Hunger Games, doing additional capture work. His speaking voice came from Daryl Sabara of Spy Kids. So the kid on screen is a blend of three different performers.
Hero Girl
Hero Girl is the warm, confident, natural leader of the group, and easily the most capable kid on the train. She is the one who looks out for everyone else. She is voiced by Nona Gaye, the daughter of music legend Marvin Gaye. In a fun bit of casting, her on-screen movements were modeled by a young Tinashe, who later became a pop star in her own right.
Billy (The Lonely Boy)
Billy is the shy, sad kid from the poor side of town who almost does not get on the train at all. He keeps to himself, and watching Hero Boy and Hero Girl slowly pull him out of his shell is one of the sweetest threads in the film. His voice was provided by Jimmy Bennett, with veteran actor Peter Scolari, a longtime friend and former co-star of Tom Hanks, also credited on the role.
Know-It-All
Every group has one, and Know-It-All is the loud, bespectacled kid who has an answer for everything and friends for no one. He is comic relief and a little bit of a pain, in the best way. He is voiced by Eddie Deezen, whose distinctive nasal nerd voice you have heard in a hundred cartoons. He is one of the most quoted characters in the movie.
The Conductor
The Conductor runs the Polar Express, and he is the closest thing the film has to a guide. He is stern, a little mysterious, and secretly kind, always nudging Hero Boy toward the lesson he needs to learn. This is the role Tom Hanks wanted from the very beginning, and it shows. The Conductor is the glue of the whole train.
Santa Claus
Santa is the destination, the payoff for the entire trip. The film treats his first appearance as a genuine event, and the moment Hero Boy finally sees him is the emotional peak of the movie. Yes, Santa is also Tom Hanks. That makes Hanks both the kid searching for Santa and Santa himself, which is a fun thing to think about.
The Hobo (The Ghost)
The Hobo is the strangest character in the movie. He appears to Hero Boy on top of the train, roasting chestnuts over a tiny fire and offering cryptic advice. He calls himself the king of the North Pole. He is also, of course, Tom Hanks. But there is more to him than the film openly tells you.
Smokey and Steamer
Smokey and Steamer are the bickering engineer and fireman who keep the train running, mostly through chaos. They are pure slapstick comic relief, and they get one of the film’s most frantic action sequences. They were both played by Michael Jeter, and their story carries a sad note behind the scenes.
The supporting cast hides a couple of surprises too. The elves at the North Pole include voice work from Charles Fleischer, the voice of Roger Rabbit, and Aerosmith frontman Steven Tyler, who voiced and even sang as an elf. Hero Boy’s little sister Sarah and his mother were both motion-captured by Leslie Zemeckis, the director’s wife.
Do the Polar Express Characters Have Names?
Here is something that trips a lot of people up. If you go looking for the main characters’ names, you mostly will not find them, and that is on purpose.
It is a clever choice that makes the story feel universal, like a fable instead of a specific kid’s adventure. It is also why searching for “the main character’s name” leads to so much confusion. He simply does not have one.
About The Polar Express Movie
A little context makes the cast even more impressive. The Polar Express came out in 2004, directed by Robert Zemeckis of Back to the Future and Forrest Gump fame. It is based on the classic 1985 picture book by Chris Van Allsburg, which is barely thirty pages long, so the movie had to invent a lot of the journey.
It was a landmark in motion-capture animation, one of the first films to lean on it this heavily. That technology is also why some viewers find the human characters a little uncanny, with that slightly glassy, not-quite-alive look. It is a fair criticism, and it is part of the film’s strange, dreamlike charm.
That is the full cast of The Polar Express: a handful of unnamed kids, a mysterious crew, and Tom Hanks playing roughly half of them. It is a film that gets a little weirder the closer you look, but its message about holding onto belief is what keeps people coming back every December.
Who is your favorite Polar Express character, and did you have any idea Tom Hanks played that many roles? And is the animation magical or a little creepy to you? Let me know in the comments.