Keiko Agena: Keiko Agena. Actress: Prodigal Son. Keiko Agena was born on 3 October 1973 in Honolulu, Hawaii, USA. She is an actress, known for Prodigal Son (2019), Gilmore Girls (2000) and Better Call Saul (2015). She has been married to Shin Kawasaki since 19 December 2005.