Inspector Betti in order
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. 4 films, 6h 6m in all, in release order.

Violent Rome
1975 · 86 min
New
Violent Naples
1976 · 95 min
Popcorn Flick
A Special Cop in Action
1976 · 98 min
New
Weapons of Death
1977 · 87 min
New
Frequently asked questions
What order should I watch Inspector Betti in?
1. Violent Rome (1975), 2. Violent Naples (1976), 3. A Special Cop in Action (1976), 4. Weapons of Death (1977).
How long does it take to watch all of Inspector Betti?
About 6h 6m across 4 released films.
Do any Inspector Betti films have post-credit scenes?
None are listed on TMDB.