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
as Wong Ming-Wai / Wong Ming-Sing
石堅
as Kam Gong
鄭少秋
as Ng Chun-Bong
Lam Kau
as Ng Biu
Yip Ching
as Guan
Ma Siu-Ying
as Mother
Alice Au Yin-Ching
as Ah Heung
Lok Gung
as Lau
司馬華龍
as Ching Fei
Tsang Choh-Lam
as Guitar player
Tung Choi-Bo
as Lumber Yard Boss
劉家良
as Gang Member
