That Demon Within - Cast

Name	Known for
Daniel Wu Dave Wong Dave Wong See fewer	New Police Story (2004)
Nick Cheung Hon Kong / Riot police officer Hon Kong / Riot police officer See fewer	Unbeatable (2013)
Shatina Chen Liz Kwok Liz Kwok See fewer	Kung Fu Jungle (2014)
Kai-Chi Liu Broker Broker See fewer	Infernal Affairs II (2003)
Ka-Wah Lam Inspector Mok Inspector Mok See fewer	Invisible Target (2007)
Andy On Ben Chan Ben Chan See fewer	Blackhat (2015)
Kwok-Lun Lee Effigy Effigy See fewer	The Legend Is Born: Ip Man (2010)
Stephen Au Emcee Emcee See fewer	What Are You Gonna Do, Sai Fung? (1999)
Kuan-Chun Chi Dave's Father Dave's Father See fewer	The Big Rascal (1980)
Ken Wong Smart Ass Smart Ass See fewer	Downtown Torpedoes (1997)
Deep Ng Kwong Kwong See fewer	New Police Story (2004)
Sammuel Leung Rookie Rookie See fewer	Forbidden Legend of Sex and Chopsticks (2008)
Lam Tsing Chanter Chanter See fewer	A Chinese Torture Chamber Story (1994)
Philip Keung Station Sergant Station Sergant See fewer	Shock Wave (2017)
Astrid Chi Ching Chan Stephanie Stephanie See fewer	Sunshine Cops (1999)
So-Bo Fung Granny Granny See fewer	Red Boy (1962)
Wu Ying-man Private Nurse Private Nurse See fewer	That Demon Within (2014)
Singh Hartihan Bitto Indonesian Man Indonesian Man See fewer	Mad Detective (2007)
Ken Ho-Ming Law Actor Actor See fewer	Hacker (I) (2016)
Ellen Liu School janitor School janitor See fewer	Doomsday Party (2013)