Seen everything by Elio Petri?
If you've already watched everything Elio Petri directed, here are 12 films from other directors that share the orbit of Investigation of a Citizen Above Suspicion — the catalog's mood-cluster and similarity-graph neighbours, filtered to exclude Elio Petri's own filmography. Where to go next. (Also: Elio Petri's full filmography · where to start with Elio Petri.)
Slap the Monster on Page One
foreign gemparanoid
The Passenger
foreign gemcerebraloutsider
Le Samouraï
foreign gemcerebraldread
Army of Shadows
foreign gemdreadraw
The Consequences of Love
foreign gembittersweetneon soaked
The Butcher
dreadneon soakedparanoid
The Wages of Fear
foreign gemrawdread
Le Trou
foreign gemslow burndread
Dog Day Afternoon
bittersweetrawunhinged