Complex sentence: Susan Sarandon was originally set to play Barbara Land before Annette Bening was cast, who modeled the character after Ann-Margret's performance in "Viva Las Vegas" (1964).
Split into simpler sentences: Susan Sarandon was originally set to play Barbara Land before Annette Bening was cast. Bening modeled the character after Ann-Margret's performance in "Viva Las Vegas" (1964).