Roger Browne

Glenn Forest

José Greci

Helga

Sancho Gracia

John Parker

Roberto Messina

Omar

Carla Calò

Russian agent

Andrea Scotti

Frank

Helga Liné

Glenn's girlfriend

Ángel Ter

Osvaldo Civirani

Director

Roberto Gianviti

Writer

Osvaldo Civirani

Writer

Alfonso Nieva

Director of Photography

Piero Umiliani

Music