Katherine Heigl started acting.
Katherine Marie Heigl ( [ ˈhaɪɡəl ] born November 24 , 1978 ) is an American actress , film producer and former fashion model . She made her film debut in That Night ( 1992 ) and later appeared in My Father the Hero ( 1994 ) as well as Under Siege 2 : Dark Territory ( 1995 ) . From 1999 to 2002 , Heigl co-starred as Isabel Evans on the television series Roswell . She played the lead role on the short-lived NBC television series State of Affairs from 2014 to 2015 .