David Janssen
Lester Horton
Arthur Kennedy
CIA Chief of Station, Athens
Maurizio Merli
John Florio
Corinne Cléry
Anne Florio
Ivan Rassimov
The Silent
Giacomo Rossi Stuart
Grant
Philippe Leroy
Greek Inspector
Romolo Guerrieri
Director
Giuseppe Tortorella
Executive Producer
Romolo Guerrieri
Screenplay
Stelvio Cipriani
Original Music Composer
Eugenio Liverani
Production Design
Vittorio Schiraldi
Story
Erico Menczer
Director of Photography
Gianbattista Milesi
Producer
Antonio Siciliano
Editor
Enzo Silvestri
Executive Producer
Michele Germano
Production Manager
Mino Roli
Screenplay
Franco Caruso
Line Producer
Vittorio Schiraldi
Screenplay
Nico Ducci
Screenplay