Robert Redford as Cooper

Katharine Ross as Lola

Robert Blake as Willie

Susan Clark as Liz

Barry Sullivan as Calvet

John Vernon as Hacker

Charles Aidman as Benby

Charles McGraw as Wilson

Shelly Novack as Finney

Robert Lipton as Newcombe

Lloyd Gough as Dexter

Ned Romero as Tom

John Wheeler as Newman

Erik Holland as Digger (as Eric Holland)

Garry Walberg as Dr. Mills

Jerry Velasco as Chino

George Tyne as Le Marie

Lee de Broux as Meathead

Wayne Sutherlin as Harry

Jerome Raphael as Salesman

Lou Frizzell as Station Agent