Regia/Director: Roberto Bianchi Montero [Robert M. White]
Soggetto/Subject: Roberto Montero Bianchi [Robert B. White],
Mario Colucci [Ray Colloway]
Sceneggiatura/Screenplay: Roberto Montero Bianchi [Robert B. White],
Mario Colucci [Ray Colloway],
Alfonso BalcázarInterpreti/Actors: Germán Cobos [Jerry Cobb]
(Robert Manning/O'Connor),
Yoko Tani (Su Ling),
Susan Baker (Sally),
Gianni Rizzo (Barrow),
Milton Reid (prof. Larsen),
Leontina Mariotti [Leontine May],
Anthony Blade,
Paco Sanz,
Giovanni Cianfriglia,
Florence Simpson,
Alfred Ngo,
Julian Dower,
Audrey Rosales,
George Chow,
Anna Luisa Perrini,
Romano Giomini,
Danny Moon (agente segreto Z55)Fotografia/Photography: Ken Foster,
Tomás MoyaMusica/Music: Francesco De MasiCostumi/Costume Design: Joan BettyScene/Scene Design: Mary Jo LewisMontaggio/Editing: Bruno Mattei [Jordan B. Matthews]
Produzione/Production: Cineproduzioni Associate,
Films Copernic, Paris,
P.C. Balcázar, BarcelonaDistribuzione/Distribution: Filmarcensura: 45999 del 12-11-1965
Altri titoli: Agente Z55, misiónen Hong-Kong, Agente Z55: misión desesperada, Agent Z55, mission désespérée, Die Chance ist gleich Null
