[1] During this time, Jin was adopted by the Shanghai gangster Du Yuesheng, and encouraged to join the Chinese Communist Party in order to facilitate collaboration between the CCP and the Green Gang.

During this time, he starred in other movies such as Eternal Regret, Imperial Envoy, Carnival Night and Sable Cicada.

[2] In 1937, he co-starred with Hu Ping in the movie Song at Midnight, which is considered as the first Chinese horror film.

After the outbreak of the Second Sino-Japanese War, he served as the deputy captain of the second team of Shanghai Salvation Drama and toured areas of China not controlled by the Japanese, staging patriotic anti-Japanese plays.

He has starred in How Steel is Made, Uncle Vanya and other dramas, He also directed Beauty Walk and Princess Wencheng.

[5] Following the production of How Steel is Made, Jin Shan, who had played the male lead, Pavel, had a romantic affair with director Sun Weishi, an adopted daughter of Premier Zhou Enlai.

The affair caused a controversy within Communist circles when it became public, since Jin was still married to Zhang Ruifeng at the time.

Shortly after his marriage to Sun, Jin was sent to the camp of Kim Il Sung to stage a play for Communist soldiers serving in the Korean War.

When Kim discovered the affair he had the secretary shot, and turned Jin over to the commander of the Chinese forces, Peng Dehuai.

In the end, Jin was briefly imprisoned and expelled from the CCP, but was saved from execution through the intervention of Sun and Zhou.

[9] Following the start of Cultural Revolution in 1966, Jin Shan and Sun Weishi were both imprisoned on 1 March 1968, under the orders of Mao Zedong's wife Jiang Qing.