Barry Newman as Kowalski

Cleavon Little as Super Soul

Dean Jagger as Prospector

Victoria Medlin as Vera Thornton

Gilda Texter as Nude Rider

Lee Weaver as Jake

Timothy Scott as Angel

Robert Donner as Old Cop

Paul Koslo as Young Cop

Cherie Foster as First Girl

Charlotte Rampling as The Hitchhiker

Tom Reese as Sheriff

Valerie Kairys as Second Girl

Severn Darden as J. Hovah

Karl Swenson as Clerk

Anthony James as First Male Hitchhiker

Arthur Malet as Second Male Hitchhiker

John Amos as Super Soul's Engineer

Owen Bush as Communications Officer

Meg Wyllie as Police Dispatcher

Elizabeth Harrower as Communications Officer