Gisella Marengo has been mostly active in Italian movies. Not much is known about her part except that she will play the witch mother of Rose McGowan character, which will most likely mean that she will be the love intrest or wife of Stephen Lang seeing and McGowan's character is the dauguter of Lang's character.
Conan is currently filming in Bulgaria. Rose McGowan, who just got back from her USO Entertainers Tour will return to film Conan in just under a week.