Lainie Kazan: Lainie Kazan. Actress: My Big Fat Greek Wedding. Actress and singer Lainie Kazan first made her mark with her Broadway debut in 1961 with the musical The Happiest Girl in the World. The following year, she appeared in another musical, Bravo Giovanni. She eventually served as Barbra Streisand's understudy for the lead role of Fanny Brice in Funny Girl (1968), and when Streisand was unable to perform, due to a...