Thrilling forum

Grand Hotel Excelsior (1982) as Man at restaurant
Uno contro l'altro, praticamente amici (1980) as Man in bed with the prostitute

Perego as a funeral guest in the TV series F.B.I. - Francesco Bertolazzi investigatore - episode 1: "Sparita il giorno delle nozze" (1970)

Attenti al buffone (1975)
Il marchese del Grillo (1981) as Lawyer - pic by Ghibarian
Vai avanti tu che mi vien da ridere (1982)

Filippo and Anna maria in Pane e cioccolata (1974)
Again watching the television in Paulo Roberto Cotechiño centravanti di sfondamento (1983)

He is a Army officer in Vogliamo i colonnelli (1973)

Fantasma d'amore (1981), as Party guest
Una prostituta al servizio del pubblico ed in regola con le leggi dello stato (1970) with Nestore Cavaricci

I'm pretty sure it's him in Stanza 17-17 palazzo delle tasse ufficio imposte (1971) as Passerby at train station
La supertestimone (1971) as a Policeman
Tutti a squola (1979) as Convict
L'altra faccia del padrino (1973) as Wedding guest

L'importante è non farsi notare (1979) as Doctor at hospital
Il delitto Matteotti (1973) as PNF parliamentary

Letti selvaggi - segment "Attenzione a quei due" (1979) as Hotel guest

A little bit hard to see maybe but here is Perego as a masked man at the auction in New York chiama Superdrago (1966)
And he's present at Brigitte Bardot's card game in Tre passi nel delirio (1968) - in the segment "William Wilson"