Kasia Stelmach: Kasia Stelmach. Actress: The Great Gatsby. Kasia Stelmach is an Australian actress and producer born to Polish parents. With a passion for artistic expression, Kasia studied Art and Business at Monash University before being discovered by Baz Lurhman in the streets of Sydney for a role in The Great Gatsby. Since then she has appeared in numerous Australian television series and made appearances in notable blockbuster films such as Hacksaw...
