Inspector Betti is a fictional character created by Marino Girolami and Vincenzo Mannino and portrayed by Maurizio Merli; he appeared in the "Inspector trilogy," comprising the films "Violent Rome" (1975), "Violent Naples" (1976), and "A Special Cop in Action" (1976). The sequel/spin-off "Weapons of Death" was released in 1977, featuring Inspector Belli (played by Leonard Mann) as Betti's replacement. Gennarino—a child character who had already appeared in "Violent Naples" —also makes an appearance.

Violent Rome

1975

Violent Naples

1976

A Special Cop in Action

1976

Weapons of Death

1977