In the last several years, Oyamada has spent her time between Tokyo, Los Angeles, and New York.
Oyamada's professional work includes critically acclaimed films produced in Japan and internationally, including leads in Bright Future (2003), Seventh Anniversary (2003) Miracle Banana (2005) (Haiti), Suki Da (2006), Watashi Dasuwa (2009), Insect Detective Yoshimi Yoshida (2010).
In 2016, Oyamada played the leading role of Aya in While the Women Are Sleeping (女が眠る時)[1][2] directed by Wayne Wang and also starring Takeshi Kitano, Hidetoshi Nishijima, and Shiori Kutsuna premiered at the 66th Annual Berlin International Film Festival.
She has been featured in commercials in the United States for such brands as Cadillac, Shiseido feat.
Lady Gaga, Apple Watch, IBM Think, Audible (Amazon), and Keurig.