Thrilling forum

Non cantare spara (1968) (TV mini-series) - episode 1, credited as Il team di Musumeci Greco, as Saloon brawler

Dio, sei proprio un padreterno! (1973) as a Henchman shot down behind the opening cradits, and mostly seen in silhouette so a little hard to identify

Küçük kovboy (1973) as Saloon troublemaker

Ciao, Federico! (1970). This documentary about the shooting of Fellini Satyricon (1969) includes some brief footage of Renzo goofing around on the set in between shooting. Images upgraded - Nick

La madama (1976) as Friend of Irma la dolce's pimp (uncredited) Upgraded pics by Sergio

Carioca tigre (1976) as a Henchman.
This is a very hard to find Italian-Brazilian action comedy movie, set in Brazil, about some people who go for a search of a golden gun. Found only a bad picture clip of this movie, where Renzo is only seen for a second. Also thanks to Nick for the ID and the better picture.

Detenuto in attesa di giudizio (1971) as Renzo Pevarello, inmate screaming from bars.
Curiously, the director used the stuntman's real name for his character.

Spogliamoci così senza pudor (1976), segment "La visita", as Friend of the Partibon family Upgraded pic by Sergio

L'uomo del colpo perfetto (1967) as Henchman

La padrina (1973) as Henchman