A Mega Film production 
Director : Lucio Fulci
Screenplay : Vittorio Metz, Lucio Fulci, Amedeo Sollazzo
Cinematography : Adalberto Albertini
Editor : Ornella Micheli
Music : Piero Umiliani, the song Cerco un ragazzo per un giorno d’estate (Lucio Fulci-Piero Umiliani) is performed by Gisella Ferrini

Production manager : Jacopo Comin – Executive producer : Antonio Colantuoni – Unit managers : Orlando Orsini, Albino Morandin – Production secretary : Stefano Amoroso – Set designer and special effects : Sergio Canevari – Production designer : Giuseppe Ranieri – Camera operator : Carlo Fiore – First assistant director : Nino Zanchin – Second assistant director :  Giorgio Gallizio – Continuity : Franca Carotenuto – Make-up : Telemaco Tilli – Hairdresser : Maria Miccinelli – Sound technicians : Franco Groppioni, Renato Caduelli – Color : Eastmancolor – Costume suppliers : Ditta Ferroni – Interiors : Incir – De Paolis – Sound recording : International recording

With : Franco Franchi (Franco), Ciccio Ingrassia (Ciccio), Ingrid Shoeller (wife), Poldo Bendandi (russian corporal), Luca Sportelli (chief of the secret service), Aroldo Tieri (husband), Enzo Andronico (russian agent), Nando Angelini, Mary Arden, Marilù Asaro, Puccio Ceccarelli, Anna Maria Checchi, Franz Colangelo, Mario del Vago, Rita Forzano, Annie Gorassini, Connie Jorgensen, Viviana Larice, Carlo Marcolini, Piero Morgia, Maria Luisa Rispoli, Selina Seyn (chinese agent), Alessandro Tedeschi (russian killer), Anita Todesco, Nino Terzo, Francesco Torrisi