Susan Sarandon and Eva Amurri are mother and daughter, and this is their fourth film together. Amurri can also be seen as the younger version of Lavinia in Suzette's photo collection.
During the "Rock Cock" sequence, the girls were shown Polaroids of the crew who had volunteered to be photographed especially for that sequence. The surprise on Susan Sarandon's face is quite genuine when she saw who the photographs were of and recognized the faces.