James Caan

Character: Lee Stegler

Joanna Moore

Character: Mickey Stegler

Robert Duvall

Character: Chiz

Barbara Baxley

Character: Jean

Charles Aidman

Character: Gus

Steve Ihnat

Character: Ross Duellan

Michael Murphy

Character: Rick

Ted Knight

Character: Walter Larson

Stephen Coit

Character: Ehrman

John Rayner

Character: Dunc

Charles Irving

Character: Seidel

Bobby Riha

Character: Stevie Stegler

Ray Ballard

Character: Manager (uncredited)

Benjie Bancroft

Character: Technician (uncredited)

Arthur Bernard

Character: Coopersmith (uncredited)

George Blagoi

Character: Reporter (uncredited)

Ivan Bonar

Character: Nogrady (uncredited)

Betty Bresler

Character: Ross's Secretary (uncredited)

Robert Buckingham

Character: Party Guest (uncredited)

William Conrad

Character: TV Newscaster (voice) (uncredited)

Robert Cunningham

Character: Technician (uncredited)

Ron Doyle

Character: Reporter (uncredited)

Harry Ellerbe

Character: Croyden (uncredited)

Mike Farrell

Character: Houston Engineer (uncredited)

Sharron Frye

Character: Marion (uncredited)

David Greene

Character: Technician (uncredited)

Stacy Harris

Character: Technician (uncredited)

Vincent Howard

Character: Facility Director (uncredited)

James Johnson

Character: Technician (uncredited)

Mike Lally

Character: Technician (uncredited)

Frank Mathias

Character: Technician (uncredited)

Jana Pearce

Character: Girl (uncredited)

Bob Peoples

Character: Reporter (uncredited)

Ray Pourchot

Character: Reporter (uncredited)

Robert Ridgely

Character: Little Bob (uncredited)

Christopher Riordan

Character: Employee (uncredited)

Don Rizzan

Character: Technician (uncredited)

Clete Roberts

Character: Announcer (uncredited)

Stewart Rose

Character: Reporter (uncredited)

Jerry Rush

Character: Cameraman (uncredited)

Ron Stokes

Character: Technician (uncredited)

Garrison True

Character: Engineer (uncredited)