Director/a
Raffaello Matarazzo
DIRECTOR/A
Reparto (por orden de créditos)
Giulio Donadio
Ing. Rogers
Romano Calò
Ispettore Mackay
Camillo Pilotto
Avv. Giorgio Evans
Mino Doro
Ing. Giorgio Harris
Italo Pirani
Joe Roylott
Carlo Lombardi
Erik Roylott
Alfredo De Antoni
Direttore amministrativo
Mario Ferrari
Col. James Stark
Paolo Stoppa
Giovanni De Paoli
Isa Pola
Helena Roylott
Olga Solbelli
Anna
Cesarina Gheraldi
Clara
Emma Baron
Signora Peters
Nietta Zocchi
ACTOR
Corrado Annicelli
Morris (uncredited)
Clelia Bernacchi
Dattilografa (uncredited)
Giovanni Conforti
Ing. Dixon (uncredited)
Zoe Incrocci
(uncredited)
Zole Lunghetti
Beatrice Mancini
Telefonista (uncredited)
Norma Nova
Aldo Pierantoni
Seymour (uncredited)
Gina Sammarco
Mauro Serra
Anna Vestri