- Ethan Juan
- Monk / Ho Tien-Yo
- Mark Chao
- Mosquito / Chou Yi-Mong
- Ju-Lung Ma
- Boss Geta
- Chia-Yen Ko
- Ning
- Rhydian Vaughan
- Dragon Lee
- Shih-Sian Wang
- Wim-kian
- Emerson Tsai
- Monkey
- Teng-Hui Huang
- A-Po
- Han Dian Chen
- Dog Boy
- Feng Hsing
- Boss Masa
- Hsiu-Ling Lin
- Mosquito's Mother
- Man-Ning Hsi
- Dragon's Mother
- Yi-ching Lu
- Auntie Po
- Doze Niu
- Grey Wolf
- Chieh Hou
- Monk's Father
- Cheng Yu-Chieh
- School Teacher
- Chih-Ju Lin
- School Dean
- Yung-Feng Lee
- A-Po's Father
- Reen Yu
- Hui
- Kuo-Chung Tang
- Scar
- Hsiao-Ming Sun
- Blackface
- Po-Hung Ko
- Monkey's Grandfather
- Chien-Wei Tu
- Classmates - Iron Men at P.E. Class
- Wei-Hsun Pan
- Classmates - Iron Men at P.E. Class
- Hsin-Wen Kao
- Classmates - Iron Men at P.E. Class
- Hsiang-Min Wang
- Classmates - Iron Men at P.E. Class
- Chun-Yao Huang
- Classmates - Iron Men at P.E. Class
- Huan-Chung Chang
- Teacher at the 2nd School
- Po-Wen Tsai
- Officer at the 2nd School
- Po-Yuan Wang
- Classmates - Fee Collectors
- Yu-Hao Tseng
- Classmates - Fee Collectors
- Yen-Yin Chang
- Classmates - Fee Collectors
- Yung-Jen Huang
- Dog Boy's Classmates
- Po-Jen Sung
- Dog Boy's Classmates
- Che-Hao Chang
- Dog Boy's Classmates
- Jui-Yang Hsu
- Dog Boy's Classmates
- Yu-Yi Lin
- Mosquito - Age 5
- Chieh-Lun Chang
- Mosquito - Age 10
- Yi-Che Hsu
- Monk - Age 3
- Hao-Hsiang Hsu
- Monk - Age 10
- Her Jung
- Monk's Mother
- Hao Hsu
- Monk's Older Sister
- Yi-Tzu Hsu
- Monk's Older Sister
- Yi-Hsuan Chen
- Monk's Older Sister
- Luke
- Dragon - Age 10
- Po-Yu Tu
- A-Po - Age 10
- Chien-Peng Chen
- Monkey - Age 10
- Tsai-Hsing Chang
- Wim-Kian's Entourage
- Kuan-Chiu Chen
- Monk's Entourage
- Gary Tseng
- Squid Soup Shop Owner
- Conjee Chang
- Grey Wolf's Deputy
- Ching-Chiu Chuang
- Grey Wolf's Deputy
- Ming-Hung Hsu
- Grey Wolf's Deputy
- Yi-Lun Chiang
- Grey Wolf's Deputy
- Ihong Zhang
- Grey Wolf's Deputy
- Tien-Fu Sung
- Grey Wolf's Deputy
- Yueh-Ming Liu
- Grey Wolf's Deputy
- Kung Tai
- Geta's Deputy
- Bamboo Chu-Sheng Chen
- Geta's Deputy
- Chao-Huang Hung
- Geta's Deputy
- Chia-Chu Lo
- Geta's Deputy
- Chan-Ming Yeh
- Members of Temple Front
- Kun-Tsai Cheng
- Members of Temple Front
- Chao-Ting Huang
- Members of Temple Front
- Wei-Ting Weng
- Members of Temple Front
- Chia-Wei Chung
- Members of Temple Front
- Chih-Fan Lin
- Members of Temple Front
- Liang-Hui Huang
- Masa's Deputy
- Chien-An Lin
- Masa's Deputy
- Yu-Hsin Chen
- Masa's Deputy
- Yu-Lin Huang
- Masa's Deputy
- Wen-Hao Chang
- Masa's Deputy
- Chung-Jui Chang
- Doggy - Dog Boy's Father
- Rainy Kuo
- Hookers at Treasure Borough
- Yu-Lin Wu
- Hookers at Treasure Borough
- Hsin-Tung Ou
- Hookers at Treasure Borough
- Chien-Ying Hung
- Hookers at Treasure Borough
- Kuei-Hung Chu
- Manager of the Temple
- Wan-Chun Liu
- Hui's Classmate
- Wen-Chieh Tang
- Man on Wheelchair
- Ying-Hao Lai
- Dragon's Stunt Man
- Tzu-Yen Chin
- Singer at Grey Wolf's Club
- Pao-Yuan
- Band at Grey Wolf's Club
- Aching
- Band at Grey Wolf's Club
- Hsiu-Yu Tsao
- The Nakashi Band - Vocalist
- Airplane
- The Nakashi Band - Keyboard player
- Kuo-Wen Su
- The Nakashi Band - Wind Music player
- Akuei
- The Nakashi Band - Drummer
