Were Edwin Greenwood and Andrew Lau Wai-Keung both directors?
Andrew Lau Andrew Lau Wai-Keung (born 4 April 1960) is a Hong Kong film director, producer, and cinematographer. Lau began his career in the 1980s and 1990s, serving as a cinematographer to filmmakers such as Ringo Lam, Wong Jing and Wong Kar-wai. In the 1990s, Lau decided to have more creative freedom as a cinematographer by becoming a film director and producer. Apart from making films in his native Hong Kong, Lau has also made films in China, Korea and the United States. A highly prolific filmmaker, Lau has made films in a variety of genres, and is most notable in the West for his action and crime films which include the "Young and Dangerous" film series, the "Infernal Affairs" trilogy (the latter co-directed together with Alan Mak), and "Revenge of the Green Dragons" (executive produced by Martin Scorsese).
All That is Bitter is Sweet All That Is Bitter Is Sweet (Traditional Chinese: 大藥坊; literally "The Great Apothecary") () is a 2014 Hong Kong period, medical, romance drama produced by TVB, starring Linda Chung, Ruco Chan, Raymond Wong Ho-yin and Natalie Tong as the main leads, with Pierre Ngo, Sammy Sum, Shirley Yeung, Jazz Lam and Elliot Ngok in main supporting roles. Filming took place from November 2013 to February 2014. The drama began broadcasting on September 8, 2014 on TVB Jade channel during its 8:30 - 9:30 p.m. timeslot, and will finish airing on October 17, 2014 with 30 episodes total.