Glenn Quinn

Dark-haired, with fair skin, piercing blue eyes and brooding good looks, he played the perfect prototypical bad boy, complete with leather jacket and decidedly unpleasant attitude. The actor capably handled Mark's increased role on the show, even managing to balance his recurring part with a regular role on the short-lived 1992 ABC adventure "Covington Cross", set in medieval England. After Mark married Becky and his brother David (Johnny …