Wang Longji is the actor who plays the street boy San Mao in "San Mao Wandering Story".

Wang Longji was born in Sichuan in 1940. His most familiar role is Sanmao in "The Wandering Story of Sanmao". At that time, Wang Longji, who was only 8 years old, successfully portrayed the street child "San Mao" who was both pitiful and ridiculous, and his tragic life made people cry. Wang Longji relied on his natural talent for artistic performance to interpret "Sanmao" vividly and vividly.

"Sanmao" starring Wang Longji, like "Gazi" and "Dongzi", has long become a classic child image in the history of Chinese films. Although Wang Longji is a famous child star, under the influence and guidance of his father Wang Yunjie, the 20-year-old Wang Longji was admitted to the Film Literature Department of Shanghai Film College.

Wang Yunjie's personal profile:

Wang Yunjie (1911~1996) is one of the pioneers of Chinese film music creation. When Wang Yunjie was 16 years old, he was scoring silent films in a cinema in Qingdao. Wang Yunjie, who studied music in Shanghai in the 1920s and 1930s, was also roped in by his friends to volunteer in cinemas to score silent films. In the era of talkies, Wang Yunjie composed the theme song "Going to the Battlefield" (1939) for Northwest Film Company's film "Snow in the Taihang Mountains".

This song is his film music debut. Later, he successively composed music for movies such as "Lights of a Thousand Houses", "Hope in the World", "The Crow and the Sparrow", and "Sanmao Wandering". 49 years later, Wang Yunjie has scored films such as "Lin Zexu", "Nurse's Diary" and "Gate No. 6".