Grieco is an Italian writer, journalist, screenwriter and actor. To date, he has directed only one film, Evilenko (2004), for which he also wrote the screenplay based on his own book. He has written screenplays for films such as Caruso Paskoski, Son of a Pole (Caruso Pascoski di padre polacco, 1988), Don\'t Open the Door for the Man in Black (Non aprite all\'uomo nero, 1990) and Sergio Citti’s Death to You (Mortacci, 1989) and We Free Kings (I magi randagi, 1996).