Jin Hua Zhang

Grandma ('GPS: Grandma Positioning System')

Zheng Geping

Father ('GPS: Grandma Positioning System')

Hong Huifang

Mother ('GPS: Grandma Positioning System')

Zhang Ying Shuang

Ah Girl ('GPS: Grandma Positioning System')

Mok Tye Par

Grandpa ('GPS: Grandma Positioning System')