Nicole Kidman's hair color repeatedly switches back and forth between dark brown and lighter reddish-brown.
When Margot secretly talks to Dick on her cell phone, at times, you can hear Nicole Kidman's Australian accent, especially when she says "Saturday."
Malcolm has trouble recollecting the bassist for Motley Crue, and then remembers that it's Mick Mars. The bass player for Motley Crue is actually Nikki Sixx, although this mistake could have been intentional to further convey the forgetfulness.