Maurizio Merli
Betti
Special Cop in Action is a 1976 Italian poliziottesco film directed by Marino Girolami, here credited as Franco Martinelli. The film is the final chapter in the Girolami's Commissioner Betti Trilogy, after Violent Rome and Violent Naples, though a spin-off in the series entitled Weapons of Death would be released the following year. imdb.com