I wasn't sure whether to post this in the Passi di morte
topic or here but I chose to post here. I now have another addition to Andrew Johnson's filmography!
He appears in Les femmes vicieuses
a.k.a. La ragazzina parigina
and The Daughter of Emanuelle
(1975), a French/Belgian/Italian co-production that was filmed partially in Greece. Johnson plays a relatively big supporting role as Greta Vayan's boyfriend but was uncredited (only the four leading actors are credited).
Here are a few pictures of him from the film: