Howard Ross. Howard Ross was 34 in One Man Against the Organization as 'Steve Barren'.
Karin Schubert. Karin Schubert was 30 in One Man Against the Organization as 'Margie'.
Jean-Claude Dreyfus. Jean-Claude Dreyfus was 29 in One Man Against the Organization as 'Lady Rebecca Rosenbaum'.
Nadine Perles. Nadine Perles was >> in One Man Against the Organization as 'Florence Gayle'.
Alberto Dalbés. Alberto Dalbés was 53 in One Man Against the Organization as 'Harry'.
José Calvo. José Calvo was 59 in One Man Against the Organization as 'Zaccaria Rabajos'.
Stephen Boyd. Stephen Boyd was 44 in One Man Against the Organization as 'Inspector Stephen McCormick'.
José Luis Chinchilla. José Luis Chinchilla was >> in One Man Against the Organization 
Pietro Torrisi. Pietro Torrisi was 35 in One Man Against the Organization as 'Harry's Henchman'.
Luciana Turina. Luciana Turina was 29 in One Man Against the Organization as 'The Nun at the toilet'.Gaspar 'Indio' González. Gaspar 'Indio' González was 30 in One Man Against the Organization as '(as Indio Gonzales)'.Sergio Grieco. Sergio Grieco was 58 in One Man Against the Organization as 'Screenplay, Director'Fernando Arribas. Fernando Arribas was 35 in One Man Against the Organization as 'Director of Photography'
Rafael Romero Marchent. Rafael Romero Marchent was 49 in One Man Against the Organization as 'Screenplay'
Luis Bacalov. Luis Bacalov was 42 in One Man Against the Organization as 'Original Music Composer'Piero Amati. Piero Amati was >> in One Man Against the Organization as 'Unit Production Manager'
Rémy Julienne. Rémy Julienne was 45 in One Man Against the Organization as 'Stunts'