L'umanoide

Leonard Mann as Nick Ivan Rassimov as Lord Graal Ottaviano Dell'Acqua as Technician Richard Kiel as Golob Barbara Bach as Lady Agatha Massimo Serato as Great Brother José Quaglio Hal Yamanouchi as Humanoid Soldier Corinne Cléry as Barbara Gibson Attilio Duse Larry Dolgin as Narrator (voice) Arthur Kennedy as Dr. Kraspin Venantino Venantini

Antonio Margheriti Special Effects Supervisor Aldo Lado Director, Writer Armando Valcauda Animation Coordinator, Special Effects Enzo G. Castellari Second Unit Ennio Morricone Music Mario Morra Editor Giannetto De Rossi Makeup Artist