Burt Lancaster as Cross

Alain Delon as Jean 'Scorpio' Laurier

Paul Scofield as Sergei Zharkov

John Colicos as McLeod

Gayle Hunnicutt as Susan

J.D. Cannon as Filchock

Joanne Linville as Sarah Cross

Mel Stewart as Pick

Vladek Sheybal as Zemetkin

Mary Maude as Anne Laurier

Jack Colvin as Paul Milne

James B. Sikking as Harris

Burke Byrnes as Morrison

William Smithers as Mitchell

Shmuel Rodensky as Lang

Howard Morton as Heck Thomas

Celeste Yarnall as Helen Thomas

Sandor Elès as Malkin

Frederick Jaeger as Novins

George Mikell as Dor

Robert Emhardt as Man in Hotel

Earl Cameron as Black Employee in Toilet

Douglas Lambert as Party Guest at Cross' House

Bill Nagy as Pet Shop Owner

Shane Rimmer as Cop in Hotel

Eric Vasberg as Emilio Rocco

Richard Wyler as Agent Killed by Zharkov in Car