Chang Cheh was a Chinese filmmaker, screenwriter, lyricist and producer active in the 1960s, 1970s and 1980s. Chang Cheh directed more than 90 films in Greater China, the majority of them with the Shaw Brothers Studio in Hong Kong. Most of his films are action films, especially wuxia and kung fu films filled with violence. In the early 1970s he frequently cast actors David Chiang and Ti Lung in his films. In the late 1970s he mainly worked with a group of actors known as the Venom Mob.