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