James Coburn

John Cunningham

Lee Remick

Sheila Metcalfe

Lilli Palmer

Adrianne

Burgess Meredith

Ramsey Williams

Patrick Magee

Alexi

Sterling Hayden

Michael Carlson

Claude Dauphin

Maurice

Helen Cherry

Evelyn Carlson

Karen Black

Ellen

Sabine Sun

Belgian Prostitute

Dominique Davray

Barmaid (uncredited)

Allen Emerson

Slick Haired Men (uncredited)

Laura Hale

Asst. in Stock Exchange (uncredited)

Diane Myles

Voting Booth Clerk (uncredited)

Jo Nupie

Flemish lady (uncredited)

S. Lee Pogostin