 The character Alberta Green is named for actress  Alberta Watson (qv), whom show creator Joel Surnow (qv)  originally wanted to portray the role that eventually went to  Tamara Tunie (qv). An Agent Watson was later the recipient of a  phone call. Ironically, Alberta Watson later joined the show during  the fourth season as Erin Driscoll, the new head of CTU in Los  Angeles.