Complex sentence: In 1969 she appeared in "Nihon Zankyoden", one of a series of films directed by Masahiro Makino, who recognized her acting ability and gave her the stage name of Meiko Kaji.
Split into simpler sentences: In 1969 she appeared in "Nihon Zankyoden", one of a series of films directed by Masahiro Makino. He recognized her acting ability and gave her the stage name of Meiko Kaji.