Peter Macdissi (Arabic: بيتر مقدسي ; born May 14, 1974 in Beirut, Lebanon) is a Lebanese actor and producer. His filmography consists mostly of television work, most notably playing recurring character Olivier Castro-Staal on Alan Ball's HBO series Six Feet Under. In 2007, he appeared in Towelhead, a feature film written and directed by Ball, who is also his partner. Along with Ball, he is one of the executive producers of the Cinemax series Banshee.