Provide the names of voice actors for the characters of films directed by Wolfgang Reitherman.
Wolfgang Reitherman refers to director = 'Wolfgang Reitherman';
SELECT T2.hero, T1.`voice-actor` FROM `voice-actors` AS T1 INNER JOIN characters AS T2 ON T1.movie = T2.movie_title INNER JOIN director AS T3 ON T3.name = T2.movie_title WHERE T3.director = 'Wolfgang Reitherman'