Tecnica di un omicidio
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Robert WebberClint Harris
Franco NeroTony Lo Bello
José Luis de VilallongaDr. Goldstein / Frank Secchy
Cec LinderGastel- Theodora BergeryLucy
Earl HammondFrank
Michel BardinetBarry
Giovanni Di BenedettoAndrea Ferri
Jeanne ValérieMary
Giovanni Cianfriglia(sem créditos)
Valentino MacchiPhotographic Lab Assistant (sem créditos)
Jacques StanyTarget Practice Instructor (sem créditos)
Kitty SwanGirl in Bed with Tony (sem créditos)