Complex sentence: Sevigny was cast to play Borden with Stewart to play her live-in maid Bridget Sullivan, and the film's producer would be Naomi Despres with Playtone executive producing.
Split into simpler sentences: Sevigny was cast to play Borden, with Stewart playing her live-in maid Bridget Sullivan. The film's producer would be Naomi Despres, with Playtone executive producing.