What actors and actresses appeared in Pipe Dreams - 1976?

You're likely thinking of the film "The Dreamers" (1976), not "Pipe Dreams". "The Dreamers" is a film about a group of friends who get involved with a commune in the 1970s. It starred:

* Michael Sarrazin as Peter

* Jan-Michael Vincent as Billy

* Jennifer Warren as Julie

* Ben Gazzara as John

It's possible "Pipe Dreams" exists, but it's not a widely known film. If you can provide any further details about it, I might be able to help you find the cast!