The Twins Effect inggih punika filem ingkang dipunsutradarani Dante Lam ingkang dipunrilis ing tanggal 23 Juni 2003. Film punika gadhah sékuèl inggih punika Twins Effect II. Carita punika dipunwiwiti saking Reeve (Ekin Cheng) inggih punika pambasmi vampir ingkang icalan tiyangipun amargi dipunpejahi vampir, Duke Dekontes (Mickey Hardt). Nanging piyambakipun gadhah réncang anyar inggih punika, Gipsy (Gillian Chung). Nanging sadhèrèkipun Reeve ingkang gadhah nama Helen (Charlene Choi) boten remen kaliyan Gipsy. Nanging Helen ing pungkasanipun tresna kaliyan Kazaf (Edison Chan) inggih punika pangeran vampir kaluargi karajan vampir.

Para paraga Twins Efeect 
 Ekin Cheng-Reeve
 Gillian Chung-Gypsy
 Charlene Choi-Helen
 Edison Chen-Kazaf
 Anthony Wong Chau-Sang-Prada
 Mickey Hardt-Duke Dekotes
 Jackie Chan-Jackie
 Josie Ho-Lila
 Karen Mok Man-Wai-Ivy
 Anthony Wong Chau-Sang-Prada
 Cheung Tat-Ming-Tat Ming
 Matt Chow Hoi-Kwong-Matt
 Chapman To Man-Chat-Man Keung
 Ricardo Mamood-Ethan
 Mandy Chiang Ya-Wen-Momoko
 Maggie Lau Sze-Wai-Nurse Maggie
 Winnie Leung Man-Yee-Deborah
 Bey Logan-vampir
 Mark Strange-Vampir

Cathetan suku 

Film Hong Kong taun 2003
Film basa Kanton