The Gumball Rally (1976)

A group of people from different backgrounds have one thing in common: when they hear the world "gumball" whispered by one of the others, they know that it's time for the Gumball Rally: a no-holds barred, secret, winner-take-all rally across the USA.

Directed by: Charles Bail

Starring: Michael Sarrazin, Norman Burton, Gary Busey, John Durren, Susan Flannery, Harvey Jason

Links: IMDb, Movie posters, Movie stills