Cost ‧ ner, Kev ‧ in /ˈkɒstnəʳ $ ˈkɑː-, ˈkevən/ BrE AmE
(1955–) a US film actor and ↑ director , whose films include Dances with Wolves (1990), Robin Hood: Prince of Thieves (1991) and JFK (1991). Dances with Wolves won seven Oscars, including Best Picture.