Dou hap is a 1990 Cantonese-language Action Comedy movie written by Wong Jing and Corey Yuen. The movie is directed by Wong Jing and produced by Jimmy Heung under the banner of Win's Movie Production & I/E Co. Ltd. In this film, down on his luck Sing seeks out the God of Gamblers in hopes of becoming his disciple. Dou hap stars Andy Lau, Stephen Chow, Monica Chan, Ng Man-tat, Sharla Cheung, Charles Heung and Kwok-ping Choi. The music was composed by Lowell Lo. Cinematography was done by David Chung and editing by Poon Hung. The motion picture has a running time of 99 minutes. It was released on 31st December 1990. The movie made a box office gross of $40 million. Distribution rights for the movie were acquired by Golden Harvest. In this film, down on his luck Sing seeks out the God of Gamblers in hopes of becoming his disciple.