which star of  Sex and a Girl also appears in "That '70s Show" ?
Sex and a Girl Sex and a Girl (also known as Alex in Wonder) is a 2001 American comedy and drama film directed by Drew Ann Rosenberg. The film starring Angela Gots, Robert Hays, Ellen Greene, Sean Flynn, Danny Masterson and Alison Lohman in the lead roles.
Bridget Marquardt Bridget Christina Marquardt (née Sandmeier; born September 25, 1973) is an American television personality, model, and actress, known for her role on the reality television series "The Girls Next Door", which depicted her life as one of "Playboy" magazine publisher Hugh Hefner's girlfriends. Although not a Playboy Playmate, she has appeared in nude pictorials with her "Girls Next Door" co-stars and fellow Hefner girlfriends Holly Madison and Kendra Wilkinson.