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.

Top Cast

Kyle CatlettT.S. Spivet

Helena Bonham CarterDr. Clair

Judy DavisG.H. Jibsen

Callum Keith RennieFather

Niamh WilsonGracie

Jakob DaviesLayton

Rick MercerRoy

Robert MailletGiant Hobo