Eros Cecconi is the overbearing boss of Aldo, Giovanni, and Giacomo, as well as the father of Giacomo's intended bride. He has purchased the wooden leg sculpture and expects it and the travelers to reach Gallipoli on time. Their delays provoke his anger, and Giacomo ultimately confronts him by calling off the wedding.
Arnaldo Pietrostefano is an elderly commissioner who handled Michele’s case thirty years earlier before being deliberately removed from it. He assists Mirko’s private investigation by drawing on his knowledge of the old proceedings, helping uncover the truth behind the murder and support Michele’s exoneration.
Cocò helps Alfredo at a crucial moment, joining Oscar in assisting him to achieve a major win at the casino. That win allows Alfredo to get his finances in order and pursue marriage with Anita. The synopsis identifies Cocò as a helper in this final turn, but gives no further details about Cocò's background or relationship with the other characters.
Antonio is one of the new recruits beginning the course at the Nisida Air Force academy. He says he is Neapolitan, although he comes from the province. The summary identifies him as one of the recruits interested in pursuing a military career alongside the other newcomers, but gives no further individual actions or relationships with the central characters.
Salvatore Azzaro is the wealthy furniture factory owner who is preparing to acquire the restaurant and decide whether to preserve it or dismiss the staff. He tests the workers by organizing a wedding anniversary party, while his affair with a mistress causes a public family crisis.
Carlo Croccolo has 95 screen credits in a career dating back to 1949. Their work is anchored in the Diabolik Collection universe with 1 titles. Signature works include I Just to want live - train 8017 last stop (Volevo solo vivere -treno 8017 Ultima fermata, Ha fatto 13, Il guerriero Camillo. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Related entry on Wikidata (Q469201), public domain (CC0).