Geraldine Viswanathan ( VISS-wə-NAH-thən; born 20 June 1995) is an Australian actress. 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 the Hunter School of the Performing Arts, Newcastle. She had previously appeared in Emo the Musical. She plays Eliza, a worker in Heaven, as a regular in Miracle Workers, working alongside Steve Buscemi and Daniel Radcliffe.