Geraldine Indira Viswanathan (born June 20, 1995) is an Australian actress of Indian and Swiss heritage. She gained attention in the role of Kayla in the 2018 film Blockers, for which Refinery29 referred to her as "the film's breakout star." The star attended a school of Performing Arts in Broadmeadow, Newcastle. She had previously appeared in Emo the Musical. She plays Eliza, a worker in Heaven, as a regular in the Miracle Workers, working alongside Steve Buscemi and Daniel Radcliffe. She cites the TV show Friends as an influence, with Anne Hathaway inspiring certain acting techniques.