Among Charlotte Gainsbourg and James Iha, who was most notably being a permanent fixture of A Perfect Circle?
Charlotte Gainsbourg: Charlotte Lucy Gainsbourg (born 21 July 1971) is a British-French actress and singer. James Iha: James Yoshinobu Iha (井葉吉伸 , Iha Yoshinobu ) (born March 26, 1968) is an American rock musician. James Iha:  He is best known as former guitarist and co-founder of the alternative rock band The Smashing Pumpkins and for his eclectic musical projects of recent years, most notably being a permanent fixture of A Perfect Circle.
James Yoshinobu Iha