A 1967 Cantonese language action film directed by Cheung Wai-Gwong, starring Connie Chan, Adam Cheng and Liu Chia-Liang. Ming-Wai & Ming-Sing, a brother and sister (dual roles played by Connie Chan) who must go undercover in a gang to rescue their uncle.
Connie Chan Po-Chu
Sek Kin
Adam Cheng Siu-Chow
Lam Kau
Yip Ching
Ma Siu-Ying
Alice Au Yin-Ching
Lok Gung
Sze-Ma Wah-Lung
Tsang Choh-Lam
Tung Choi-Bo
Lau Kar-Leung
Lau Kar-Wing
Chan Siu-Pang
Hoh Wan
Fung Ming
David Chiang Da-Wei
Chow Siu-Loi
Go Chiu
Wong Mei