
A 10-year-old child prodigy cartographer secretly leaves his family's ranch in Montana where he lives with his cowboy father and scientist mother and travels across the country on board a freight train to receive an award at the Smithsonian Institute.
Niamh Wilson
Gracie

Jakob Davies
Layton

Rick Mercer
Roy

Robert Maillet
Giant Hobo

Dominique Pinon
Two Clouds

Julian Richings
Ricky