Cake Nattavat Kaewbuasai is a Thai actor. He has studied Bachelors in Faculty of Liberal Arts at Mahidol University. He comes from a family of actors and singers. His younger sister is actress Pie Rinrada Kaewbuasai. His Aunt is singer Nantida Kaewbuasai.

Since 2018 he is in a relationship with Thai-British actress Krissie Krissiri Sukhsvasti.