A secret agent possesses a ring that makes him invisible for a short time, once every 10 hours. He is in pursuit of an evil criminal mastermind but, at the same time, must evade an enemy agent who also wants the ring.
Cast
Patrick O'Neal
Perry 'Matchless' Liston
Ira von Fürstenberg
Arabella
Donald Pleasence
Gregori Andreanu
Henry Silva
Hank Norris
Nicoletta Machiavelli
Tipsy
Howard St. John
General Shapiro
Sorrell Booke
Colonel Coolpepper
Tiziano Cortini
Hogdon (as Lewis Jordan)
Elisabetta Wu
O-Lan (as Elisabeth Wu)
Eddra Gale
Unknown
Ennio Antonelli
Unknown
Geoffrey Copleston
Unknown
Gianluigi Crescenzi
Unknown
Alfredo Martinelli
Unknown
Massimo Ciprari
Unknown
Valéry Inkijinoff
Unknown
Crew
Alberto Lattuada
Director, Writer
Ermanno Donati
Story, Producer
Franco Fraticelli
Editor
Alessandro D'Eva
Director of Photography
Luigi Carpentieri
Producer
Dino De Laurentiis
Producer
Mario Scisci
Production Design
Piero Tosi
Costume Designer
Cesare Rovatti
Costume Designer
Maria Teresa Corridoni
Hairstylist
Franco Corridoni
Makeup Department Head
Guy Delécluse
Special Effects
Piero Piccioni
Original Music Composer
Gino Marinuzzi Jr.
Original Music Composer
Ennio Morricone
Original Music Composer
Gisella Longo
Set Decoration
Vincenzo Del Prato
Art Direction
