Write SQL query to solve given problem: Who is the voice actor of the hero in Lion King?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T1.`voice-actor` FROM `voice-actors` AS T1 INNER JOIN characters AS T2 ON T1.movie = T2.movie_title WHERE T2.movie_title = 'Lion King' AND T1.character = 'Lion King'