The film co-stars Anita Mui, Ricky Hui, Sibelle Hu and Roy Chiao.

The film's original title is Shen tan zhu gu li (Mr. Boo: Inspector Chocolate).

[1] Although Chu Koo-lik (Chocolate) (Michael Hui) believes himself to have outstanding abilities, he has only reached the rank of Inspector despite working many years in the police force.

Andrew Saroch of Far East Films rated the film a score of 4 out of 5 stars, praising Philip Chan's director and the performances of the main cast, especially Michael Hui, noting how "it is always a joy to watch how Michael bumbles his way through while his face betrays little emotion.

[3] The film grossed HK$22,485,500 at the Hong Kong box office during its theatrical run from 19 December 1986 to 8 January 1987.