To perfect his masterwork, Richard Chen flew to Hollywood to learn modern techniques, and to recruit foreign actors and actresses for the movie.
在國內演員陸續物色接洽的同時，陳耀圻抽空飛往美國，一面吸收電影的新技術，做為執導「源」片的參考，一面尋找片中所需的外籍演員。