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.
Nathaniel Adam was wrongly condemned for treason. He signs up for the Captain Atom Project as an alternative to being executed while being under the surveillance of Wade Eiling and Doctor Heinrich Megala.