Tecnica di una spia

Tony Russel

Alan Milner (as Tony Russell)

Erika Blanc

Erika Brown

Conrado San Martín

Otis

Dyanik Zurakowska

Mitzi (as Diannyk Zurakoswka)

Fernando Cebrián

Kare

Franco Cobianchi

Louis Kerez Fischer (as Peter White)

Wilbert Bradley

Steiner

Giuseppe Fortis

Professor (as Joseph Fortis)

Adalberto Rossetti

(as Alberto Rossetti)

Pilar Serrano

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Evar Maran

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Antonio Pica

Alex, Erika's friend