Roy Scheider
as Jackie Scanlon / 'Juan Dominguez'

Bruno Cremer
as Victor Manzon / 'Serrano'

Francisco Rabal
as Nilo

Amidou
as Kassem / 'Martinez'

Ramon Bieri
as Corlette

Peter Capell
as Lartigue

Karl John
as 'Marquez'

Friedrich von Ledebur
as 'Carlos'

Chico Martínez
as Bobby del Rios

Joe Spinell
as Spider

Rosario Almontes
as Agrippa

Richard Holley
as Billy White

Anne-Marie Deschodt
as Blanche

Jean-Luc Bideau
as Pascal

Jacques François
as Lefevre

André Falcon
as Guillot

Gerard Murphy
as Donnelly

Desmond Crofton
as Boyle

Henry Diamond
as Murray

Ray Dittrich
as Ben

Frank Gio
as Marty

Randy Jurgensen
as Vinnie

Cosmo 'Gus' Allegretti
as Carlo Ricci

Nick Discenza
as Father Ricci (uncredited)

Frank Pesce
as Married Man (uncredited)

Tom Signorelli
as Bystander (uncredited)