Yoon-geum Seon-ah. Yoon-geum Seon-ah was >> in Knock, Knock, Knock as 'Hana'.Arom Choi. Arom Choi was >> in Knock, Knock, Knock as 'Director, Writer, Editor'Esther Zeilig. Esther Zeilig was >> in Knock, Knock, Knock as 'Assistant Director'Vera Marie Weber. Vera Marie Weber was >> in Knock, Knock, Knock as 'Music'Zhou Yuchan. Zhou Yuchan was >> in Knock, Knock, Knock as 'Cinematography'Camille Laut. Camille Laut was >> in Knock, Knock, Knock as 'Script Supervisor'Marcus Doyle. Marcus Doyle was >> in Knock, Knock, Knock as 'Production Design'Jadyn Yoon. Jadyn Yoon was >> in Knock, Knock, Knock as 'Production Design'Sara Suarez. Sara Suarez was >> in Knock, Knock, Knock as 'Sound Designer'Alisha Mehta. Alisha Mehta was >> in Knock, Knock, Knock as 'First Assistant Camera'Nicolas Savignano. Nicolas Savignano was >> in Knock, Knock, Knock as 'Second Assistant Camera'