They're not alone, though: Humpday star and
mumblecore maestro Mark Duplass has a small, seething role as one of Greenberg's unhappy
former bandmates, a group that included Ivan, played by Rhys Ifans.
Mumblecore lives on with this largely improvised depiction of
former high school sweethearts (Mark Duplass and Sarah Paulson) reliving their youth over the course of a night that builds slowly but surely to an entirely satisfying, devastating revelation.