Isay Alvarez is a Filipina actress, singer, and dancer. In 1989, she traveled to London in order to try out for the role of Gigi in the original production of Miss Saigon. Isay played the role of Nimia in 2003 in CCP's production of Himala, the stage musical based on the successful film Miracle (1982). She is best known for La visa loca (2005), Maalaala Mo Kaya (2010-2019), A Soldier's Heart (2020), and Wildflower (2017).