Donald Sutherland
John Klute

Jane Fonda
Bree Daniels

Charles Cioffi
Peter Cable

Roy Scheider
Frank Ligourin

Dorothy Tristan
Arlyn Page

Rita Gam
Trina

Nathan George
Trask

Vivian Nathan
Psychiatrist

Shirley Stoler
Momma Reese

Anthony Holland
Actor's Agent

Richard B. Shull
Sugarman

Mary Louise Wilson
Producer in Adv. Agency

Jean Stapleton
Goldfarb’s Secretary

Antonia Rey
Mrs. Vasek

Richard Russell Ramos
Asst. Dir. in Little Theatre

Rosalind Cash
Pat

Sylvester Stallone
Club Patron (uncredited)

Candy Darling
Discothèque Patron (uncredited)

Kevin Dobson
Man at Bar (uncredited)

Veronica Hamel
Model (uncredited)

Richard Jordan
Man Kissing Bree in Night Club (uncredited)

Harry Reems
Discothèque Patron (uncredited)

Joe Silver
Dr. Spangler (uncredited)

Lee Wallace
Nate Goldfarb (uncredited)