Complex sentence: Sanada was first noticed as a serious actor in the movie "Mahjong Hourouki" directed by Makoto Wada, and since then has acted in every one of Wada's movies--works filled with humor and a nostalgic attachment for classic movies.
Split into simpler sentences: Sanada was first noticed as a serious actor in the movie "Mahjong Hourouki" directed by Makoto Wada. Since "Mahjong Hourouki," Sanada has acted in every one of Wada's movies, works filled with humor and a nostalgic attachment for classic movies.