Ashton Chen played one of  Ip Man's students in a martial arts film directed by who ?
Ip Man 2 Ip Man 2 (also known as Ip Man 2: Legend of the Grandmaster) is a 2010 Hong Kong biographical martial arts film loosely based on the life of Ip Man, a grandmaster of the martial art Wing Chun. A sequel to the 2008 film "Ip Man", "Ip Man 2" was directed by Wilson Yip and stars Donnie Yen, who reprises the leading role. Continuing after the events of the earlier film, the sequel centers on Ip's movements in Hong Kong, which is under British colonial rule. He attempts to propagate his discipline of Wing Chun, but faces rivalry from other practitioners, including the local master of Hung Ga martial arts.
City Under Siege (film) City Under Siege () is a 2010 Hong Kong science fiction action film directed and co-written by Benny Chan. The film follows a group of circus performers who goes on a rampage after an accidental exposure to chemical gas left by the Japanese army in World War II, granting them superhuman abilities.