Were Edwin Greenwood and Andrew Lau Wai-Keung both directors?
Edwin Greenwood Edwin Greenwood (1895-1939) was a British screenwriter and film director.
Sworn Brothers Sworn Brothers is a 1987 Hong Kong action crime drama film directed by David Lai and starring Andy Lau and Cheung Kwok-keung as step brothers on the opposite sides of the law as a triad and cop respectively.