It's the first movie Dirk Gunther Mohr and Fabienne Leenart have ever directed.
Peter Blankenstein has played the doctor in the second movie. For the third part he was cast as the priest.
Dirk Gunther Mohr has written all three scripts of the Capo di Famiglia trilogy.
Dirk Gunther Mohr and Samantha van Tetering are the only actors which are in all 3 movies.
Marcel Romeijn was on the shortlist to play young Alfred in Capo di Famiglia II. Now he plays the detective in part III.