Sister (special appearance) Max Chan as Lotus gangster Ronnie Cheung as Lotus gangster Marco Lok as Lotus gangster Johnny Lu as Lotus gangster Eric Kot as Mun, street cleaner Chui Tien-you as Black suit thief Wong You-nam as Black suit thief Tats Lau as Chicken thief Steven Cheung as Hogwarts School operator Kenny Kwan as Hogwarts School operator Edmond So as Mr. Cheung Winnie Lau as Mrs. Cheung May Law as Collegiate quiz show host Cheung Tat-ming as 2020 spaceman Lam Sheung Yee as TV commentator Tommy Wai as Fresh Cream band member Wong Wo-hing as Fresh Cream band member Ho Ka-kit as Fresh Cream band member Ho Ka-ho as Fresh Cream band member Michael Hui as Grand Wizard Reception Critical response Andrew Saroch of Far East Films gave the film a score four out of five stars praising the performance by the cast and calls the film "a comedy with so much energy and buoyant spirit." Love HK Film also praised the performance by the cast and director Wai Ka-fai's care for referencing defining characteristics of classic Cantonese films but notes how audiences who do not get the referential jokes would not enjoy the film. HK Film Net gave the film a positive review referring the film as "entertaining" and "smart", and calls it "an outstanding comedy". Box office The film grossed HK$25,093,425 at the Hong Kong box office during its theatrical run. References External links Fantasia at Hong Kong Cinemagic 2004 films 2000s fantasy comedy films Hong Kong fantasy comedy films Hong Kong slapstick comedy films 2000s parody films Hong Kong detective films 2000s Cantonese-language films China Star Entertainment Group films Films directed by Wai Ka-Fai Films set in 1969 Films set in Hong Kong Films shot in Hong Kong Films with screenplays by Wai Ka-fai 2004 comedy films 2000s Hong Kong films