Ceremony for the 28th Hong Kong Film Awards was held on 19 April 2009 in the Hong Kong Cultural Centre and hosted by Eric Tsang, Teresa Mo, Sandra Ng, Vincent Kok, Kay Tse, Denise Ho, Lam Chi Chung, Chin Kar-lok, Louis Fan, Tin Kai Man, Michelle Lo and Wong Cho Lam.
Forbidden City Cop (; literal translation: "Imperial Secret Agent 008") is a 1996 Hong Kong "wuxia" comedy film directed by Vincent Kok and Stephen Chow and starring Chow, Carina Lau, and Carman Lee.
The 19th Hong Kong Awards ceremony, honored the best films of 1999 and took place on 16 April 2000 at the Hong Kong Coliseum, Hung Hom, Kowloon, Hong Kong.
 The ceremony was hosted by Eric Tsang, Sandra Ng and Vincent Kok, during the ceremony awards are presented in 16 categories.
The Third Kiss is a 1919 American silent comedy film directed by Robert G. Vignola and written by Edith M. Kennedy and Heliodore Tenno.
 The film stars Vivian Martin, Harrison Ford, Robert Ellis, Kathleen Kirkham, Thomas Persse, Edna Mae Cooper, and Jane Keckley.
 The film was released on September 14, 1919, by Paramount Pictures.
The Hungry Heart is a 1917 American silent drama film directed by Robert G. Vignola and written by Charles Maigne based upon the novel of the same name by David Graham Phillips.
 The film stars Pauline Frederick, Howard Hall, Robert Cain, Helen Lindroth, and Eldean Steuart.
 The film was released on November 5, 1917, by Paramount Pictures.
 It is not known whether the film currently survives, and it may be a lost film.
Hotel Deluxe (百星酒店) is a 2013 Hong Kong comedy film released in commemoration with the Lunar New Year of 2013.
 The film was directed by Vincent Kok, his thirteenth as a director, and written by him along with Chan Mou Yin Anselm (credited as Anselm Chan), Steven Fung, and Poon Jun Lam.
 Produced by Raymond Wong, "Hotel Deluxe" features many of the recurring cast from his "All's Well, Ends Well" film series.
Vincent Kok Tak-Chiu (born 15 August 1966) is a Hong Kong actor, scriptwriter and film director.
Robert G. Vignola (born Rocco Giuseppe Vignola, August 5, 1882 – October 25, 1953) was an Italian-born American actor, screenwriter and film director in American cinema.
 One of the silent screen's most prolific directors, he made a handful of sound films in the early years of talkies but his career essentially ended in the silent era.
Louisiana is a lost 1919 American silent comedy film directed by Robert G. Vignola and written by Frances Hodgson Burnett and Alice Eyton.
 The film stars Vivian Martin, Robert Ellis, Noah Beery, Sr., Arthur Allardt, Lillian West and Lillian Leighton.
 The film was released on July 20, 1919, by Paramount Pictures.
The 18th Hong Kong Awards ceremony, honored the best films of 1998 and took place on 25 April 1999 at Hong Kong Academy for Performing Arts, Wan Chai, Hong Kong.
 The ceremony was hosted by Carol Cheng, Cheung Tat Ming, Vincent Kok, Chin Ka Lok and Jerry Lamb, during the ceremony awards are presented in 17 categories.

Question: What do Robert G. Vignola and Vincent Kok Tak-Chiu have in common?
Answer: screenwriter and film director