Actrița japoneza Wakako Sakai s-a născut la 15 aprilie 1949, in Tokyo.
A debutat la vârsta de 12 ani, in comedia Aitsu to watashi, regizata de Kô Nakahira. A jucat apoi in filme ca Kyomo ware ozorami ari (1964), Kore ga seishun da! (1966), Dekkai taiyô (1967), in 1968 a fost distribuita in filmul Kuso tengoku / Imaginary Paradise, regizat de Takeshi Ken Matsumori, in rolul lui Hiroko Yamamura, apoi in Two Hearts in the Rain (1968), Rengo kantai shirei chôkan: Yamamoto Isoroku (1968), Aniki no koibito (1968), Furesshuman wakadaishô (1969), Nyu jirando no wakadaishô (1969), Dream of Love (1970), Inochi bô ni furô (1971), Nippon ichi no shokku otoko (1971), The Family (1974), Tsuma to onna no aida (1976), Shag (1978), Keiji monogatari 2 -...
