premise: Kevin Costner has acted.
hypothesis: Kevin Michael Costner ( born January 18 , 1955 ) is an American actor , director , producer , and musician . Costner has played Eliot Ness in The Untouchables , Crash Davis in Bull Durham , Ray Kinsella in Field of Dreams , Lt. John J. Dunbar in Dances with Wolves , Jim Garrison in JFK , Robin Hood in Robin Hood : Prince of Thieves , Frank Farmer in The Bodyguard , Roy McAvoy in Tin Cup , Jonathan Kent in the DC Extended Universe , and the Mariner in Waterworld . He directed , produced , and starred in The Postman . In television , Costner won the Primetime Emmy Award for Outstanding Lead Actor in a Miniseries or a Movie , the Golden Globe Award for Best Actor -- Miniseries or Television Film , and the Screen Actors Guild Award for Outstanding Performance by a Male Actor in a Miniseries or Television Movie for his role as Devil Anse Hatfield in Hatfields & McCoys ( 2012 ) . Open Range is a 2003 American western film directed and co-produced by Kevin Costner , starring Robert Duvall and Costner , with Annette Bening , Michael Gambon , and Michael Jeter appearing in supporting roles .