Ben Crandall, an alien-obsessed kid, dreams one night of a circuit board. Drawing out the circuit, he and his friends Wolfgang and Darren set it up, and discover they have been given the basis for a starship. Setting off in the ThunderRoad, as they name their ship, they find the aliens Ben hopes they would find... but are they what they seem?
Ethan Hawke .... Ben Crandall
River Phoenix .... Wolfgang Muller
Jason Presson .... Darren Woods