Dell'Acqua, Ottaviano

[Johan Melle]

Appuntamento a Trieste (1989) (TV mini-series) - episodes 2 & 3, credited, as Dino.

Ottaviano has a reasonably large bad guy role in this mini-series directed by Bruno Mattei, the director behind most of Ottaviano's major 1980s roles. He is credited in all three episodes, but does not appear in the first one.

Episode 2

Episode 3

[Johan Melle]

Sirene (2017) (TV mini-series) - episode 5, credited, as Taxi driver.

Ottaviano is credited in all six episodes of this mini-series, but appears only in the fifth one and when he does, he's seen only from behind or reflected in the rear-view mirror.

Also credited as Stunt coordinator on all six episodes

[vecchiaguardia]

Sangue di sbirro (1976) as Thug killed on the stairs (uncredited)

Upgraded pics by Sergio

[PeplumParadise]

S.H.E: Security Hazards Expert (1980) as Magnasco henchman

[Johan Melle]

I pompieri (1985) as Cosimo, the lover of Ruoppolo's wife (Moana Pozzi)

[Johan Melle]

Speed Cross (1980) as Fighting motocross rider

[van den bremt rudy]

Un prete tra noi (1997) (Tv seriers) (episode : "Un'evasione annunciata") credited as Ex accomplice of Carlo (source Imdb)
Found a clip of this episode, but only his credit.

[van den bremt rudy]

Gialli II (2020) Poster credit, as Sergey's father (source Imdb)
Again Ottaviano in a Russian horror movie made by the same director of another movie Demon mind, where he has also an appearance and this movie lasts only 58 minutes !
Most recent role found.

[van den bremt rudy]

Cop game (1988, aka: Cop game - Gioco di poliziotto). Uncredited, as Smoking military police

Thanks to Emiliano for the identification.

[Emiliano]

Il sommergibile più pazzo del mondo (1982) as Fedayyin