
Carlo De Mejo was the son of musician Oscar De Mejo and actress Alida Valli who enjoyed her greatest period of international success right after Carlo's birth in the later half of the 1940's. Carlo followed his mother into acting, first as a child actor and then as an adult, appearing in mainstream films such as The Cassandra Crossing but mainly making a name for himself in several early 80's Italian B-movies for Lucio Fulci, Luigi Cozzi, and Bruno Mattei.
2014H.P. Lovecraft: Two Left ArmsMovie
2008Come diventai Alida ValliMovieas Self
2008Paura: Lucio Fulci Remembered - Volume 1Movieas Self
1999I fobiciMovieas Party guest (segment "Frutto proibito")
1984Al limite, cioè non glielo dicoMovie
1983Women's Prison MassacreMovieas Lawman Harrison
1982Manhattan BabyMovieas Luke
1981The House by the CemeteryMovieas Mr. Wheatley
1981The Other HellMovieas Father Valerio
1980City of the Living DeadMovieas Gerry
1980ContaminationMovieas Agent Young
1980Terror ExpressMovieas Ernie
1979Cindy's Love GamesMovie
1979William Shakespeare's Twelfth NightMovieas Orsinio
1978Dirty WorldMovieas Massimo
1977A Simple HeartMovie
1976The Cassandra CrossingMovieas Faux Patient
1976The Young BrideMovieas Massimo Raimondi
1975The NetMovie
1973Stateline MotelMovieas Albert
1973Défense de savoirMovieas Bruno Christiani
1972The Outside ManMovieas Karl
1972When Women Were Called VirginsMovieas Gisippo
1972The Dead Are AliveMovieas Igor Samarakis
1970The Dove Must Not FlyMovie
1970Microscopic Liquid Subway to OblivionMovieas Billy
1968SummitMovieas Ulrich
1968TheoremMovieas Lucia's first lover
1968Five Days in SinaiMovieas Ylan