Shortbus

Sextra (one of the participants in the orgy sequence)

His Name Is Cosmo

Saleslady

Expert Guide to Anal Sex

(Non Sex)

Expert Guide to the G-Spot

Expert Guide to Oral Sex: Cunnilingus

Expert Guide to Anal Pleasure For Men

Expert Guide to Advanced Fellatio

Expert Guide to Advanced Anal Sex

Herself (Non-Sex)

Expert Guide to Female Orgasms

Herself

Guide to Kinky Sex for Couples

Tristan Taormino's Ultimate Guide to Anal Sex for Women 2

Tristan Taormino's Ultimate Guide to Anal Sex for Women

Expert Guide to Female Ejaculation