Masaki Okada (岡田 将生 Okada Masaki, born August 15, 1989 in Tokyo) is a Japanese actor. He is best known for his roles as Sekime Kyogo in the drama Hanazakari no Kimitachi e and as Takuma Kakinouchi in the 2009 film I Give My First Love to You.
In 1980s Japan, thirteen high-schoolers are thrust into a futuristic war between giant robots called "Sentinels" and mechanical Kaiju as they must fight to prevent humanity's fate of unavoidable destruction.