Masami Nagasawa (長澤 まさみ, Nagasawa Masami, born June 3, 1987 in Iwata, Shizuoka) is a Japanese actress under Toho Entertainment. She has performed in many famous movies and television dramas including Crying out Love, In the Center of the World, Dragon Zakura and Proposal Daisakusen. She graduated from Horikoshi High School in 2006. She is also known as "Ma-chan" or, as Tomohisa Yamashita calls her, "Maa-tan". On her radio show, she introduces herself as "Gasawa," a nickname chosen by fans. She is the daughter of Kazuaki Nagasawa, the former manager of the J. League team Júbilo Iwata; she was born on the season when they won their first league championship.