Roberta doesn't put a bra on when she gets dressed following the shower scene. However, during her first sex scene, she is shown to be wearing a white bra, which John then removes.
During the massage scene, Roberta's top is almost pulled off, but in the subsequent shot, her top is shown to be covering her torso again.
Panties in a medieval world.
At least two of the actresses in the medevial part of the film have boots with zippers.
In the opening scene, the character Roberta erroneously calls her assistant "Roberta". Her assistant's name is Nina.