This is Vietnamese actor Nguyen Nhu Quynh.

The stills are of the character girl Xiao Mei in the Vietnamese movie "The Taste of Green Papaya", a feature film directed and written by Chen Yingxiong and starring Ruan Ruqiong, Man San Lu and others. The film tells the story of a girl from a poor family who grew up working as a servant in a wealthy family and witnessed the desolation behind the splendor of the wealthy family.