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. Kyle Catlett, Helena Bonham Carter, Judy Davis, Callum Keith Rennie, Niamh Wilson, Jakob Davies, Rick Mercer Added on Amazon Prime 2023-07-19. Youtube Trailer