Director Dante Lam's visual trickery admittedly worked for Jiang Hu - "The Triad Zone" but whenever used in The Twins Effect, it comes off as incredibly forced and only something there to dazzle the kids. It's braindead entertainment yes but flaws are not excusable everytime. The script tries to put a huge chunk of emotional weight to the relationships in the film but each one for our teenage duo is so poorly fleshed out, which in itself leads to the audience completely not caring. Occasional snippets of silly Hong Kong humour livens up (Anthony Wong is to good for this film) during the first half but after that it's a slow trek towards the final frames. Be sure to stick around for the end credits though. Anthony Wong checks in for another funny scene. Donnie Yen's action deserves kudos for making the stars look semi-capable but because of their lack of traditional training, the usual tricks of hiding that ability (quick cuts and a shaky camera language) are employed. Also starring Mickey Hardt (looking eerily like Richard D.James AKA Aphex Twin) Ekin Cheng, the always dorky Edison Chen (works for his vampire character) plus Karen Mok, Josie Ho, Cheung Tat-Ming, Matt Chow and Bey Logan logs camoes.