Shinan as Ivan Brandon Wong as Raymond Kyle Chan as Roy Chen Guohua as An-ge Weng Xing'ang as Steven Awards & Nominations Trivia The style of The Undisclosed has similarities to the American action show, 24. See also List of programmes broadcast by Mediacorp Channel 8 External links The Undisclosed Official Website (English Edition) The Undisclosed Official Website (Chinese Edition) Singapore Chinese dramas Singaporean crime television series 2006 Singaporean television series debuts 2006 Singaporean television series endings Channel 8 (Singapore) original programming