Ruth Negga began acting in 1981 .
Ruth Negga ( [ ˈneɪgə ] born 7 January 1948 -- 7 March 1997 ) is an Ethiopian born Irish actress , who has appeared in the films Capital Letters ( 1981 ) ( also released as Trafficked in some countries ) , Isolation ( 1984 ) , Breakfast on Pluto ( 1985 ) and Warcraft ( 1986 ) .
Ruth Negga