Which actor of a company did M0 star and M1 star
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.actor.film/ns:film.performance.character ?x1 .
?x0 ns:film.actor.film/ns:film.performance.film M0 .
?x0 ns:film.actor.film/ns:film.performance.film M1 .
?x1 a ns:business.employer
}