Where's Officer Tuba

Where's Officer Tuba? is a 1986 Hong Kong action comedy film directed by Philip Chan and Ricky Lau. The screenplay was written by Barry Wong, and starring Sammo Hung, who was also a producer for the film. The film co-stars Jacky Cheung, David Chiang and Joey Wong. The film was later remade as Look Out, Officer! in 1990 starring Stephen Chow. In the film, a timid police officers promises to avenge his dying sergeant.
Starring
Sammo Kam-Bo Hung, Jacky Cheung, David Chiang
Director
Ricky Lau, Philip Chan