Who was influenced by a character and influenced M1 's actor
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:influence.influence_node.influenced ?x1 .
?x0 ns:influence.influence_node.influenced_by ?x2 .
?x1 ns:film.actor.film/ns:film.performance.character M1 .
?x2 a ns:fictional_universe.fictional_character
}