Liu An is a senior general of the Kuomintang. He used to be the director of the North China Operations Department of the Secrecy Bureau of the Ministry of National Defense, with the rank of Lieutenant General. The introduction of Liu Anguo's identity background in Amnesty World 1959 is very clear, but the name Liu Anguo has not been found in the real historical books. It can be seen that Liu Anguo's prototype cannot be specific to a certain person. He should be a collection of many Kuomintang war criminals and a microcosm of them.

Except Liu Anguo, every Kuomintang war criminal in the play represents a war criminal attitude. Liu An is stubborn, cunning and affectionate. In Amnesty International 1959, Liu Anguo, Ye et al. have no prototype. Their personality is very distinct, and their attitude towards transformation is also obvious. Although these people are not specific figures in history, we can naturally see from them the attitude and difficulty of Kuomintang war criminals in reforming. In the process of reform, Liu Anguo and others gradually changed their minds and finally confessed their crimes and obtained Amnesty.