Kató Antalffy was born on October 2, 1910 in Vál, Austria-Hungary [now Hungary]. She was an actress, known for 80 Mile Speed (1937), Az ember néha téved (1938) and Az aranyember (1936). She was married to Gusztáv Ilosvay and Árpád Szentgyörgyi. She died on August 17, 1993 in Budapest, Hungary.