Stephen Dietrich is a werewolf and one of the strippers at Jean-Claude's club Guilty Pleasures (stage name "Harlow"). He serves as one of Jean-Claude's personal wolves. Stephen's twin brother Gregory is a wereleopard.
Stephen is slightly taller than Anita, with blond hair and blue eyes. Anita describes Stephen as beautiful as a china doll. He is one of the many beautiful yet vulnerable sex workers Anita takes under her wing during the course of the series. He shows attachment to both Anita and Richard. When Raina tries to force him to be in her films, Anita saves him. Stephen has been dating the wereleopard Vivian.