Necesito obtener un registro de un campo en tablas relacionadas

[jurena]

Código MySQL:

SELECT a.nombreactor, t1.total, t1.cuantos, t1.idactor FROM actores a INNER JOIN  (  SELECT idactor, FORMAT( sum( voto ) / sum( votos ) , 2 ) AS total, count( id_actor ) AS cuantos, id_actor
    FROM rate_actors
    GROUP BY id_actor
    HAVING count( id_actor ) > 0
    ORDER BY total DESC
    LIMIT 0 , 3)t1 ON a.idactor = t1.idactor