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)