Several Real Life porn performers had cameos. Nina Hartley appeared in several scenes as Little Bill's faithless wife. Veronica Hart is the judge at Amber Waves' custody hearing. More recent porn star Lil' Cinderella (credited as Amber Hunter) plays the Colonel's 'lady friend' who OD's at Jack's party, and Lexi Leigh plays one of Floyd's amateur porn stars. Summer Cummings and Skye Blue share a Jacuzzi.
In a non-porn related example, Reed Rothchild shows off his magic skills to Kurt, who seems less than impressed. Kurt is played by Ricky Jay, a professional magician.