Answer: REY

AnswerCrossword Clue
REYActor Fernando of "The French Connection"
REYDel .. Books: sci-fi publisher
REYMexican king
REYCurious George creator
REYKing, in Spain
REYFerdinand II, por ejemplo
REYJuan Carlos, to his subjects
REYRuler in un palacio
REYActor Alejandro or Fernando
REYFernando of "The French Connection"
REYWilder's "The Bridge of San Luis ..."
REYKing of Spain
REYDel ... Books (science fiction-fantasy publishers)
REYMarina del ..., California
REYCurious George creator H.A.
REYJuan Carlos, e.g.
REYFerdinand, e.g.
REY"King" in Spanish
REYFernando on "The Flying Nun"
REYJuan Carlos, por ejemplo
REYPrincipe's father
REYMonterrey monarch
REYMarina del .., CA
REY"The Bridge of San Luis .."
REYFernando of "The Flying Nun"
REYLana Del ...
REYCastilian king
REYCurious George's creator
REYActor Fernando
REYCancun king
REYSpanish king
REYAlejandro of "The Flying Nun"
REY"Corona" wearer
REYKing, if Spanish
REYSinger Lana Del ..
REYMadrid royal
REYCreator of Curious George
REYSurname of Curious George's creators
REYMarina del ...
REYSpain's Felipe VI, to his subjects