Ma Yiwu: Ma's younger brother, born in the Music and Painting Department of Normal School, is a cultural teacher of the People's Liberation Army. Sensitive, infatuated, weak in appearance and hot in heart, a young man with artistic temperament and pursuing dreams has become a left-handed man who has been forcing himself to do things with his right hand because he killed his lover's brother and will subconsciously use his left hand in an emergency; Is a man who always wants revenge because his brother stole his lover; Is a person who will be desperate for his love and the tasks assigned by the organization. Malik Wen Yi, he only loved Song Qin Yi all his life. So, he was ordered to go up the mountain to surrender and hate his beloved brother, causing him to fall into an emotional whirlpool and struggle painfully. At the same time, because of Ma's fake surrender, the PLA troops suffered the bad luck of being captured, and their comrades did not believe that he was one of their own. In the end, he overcame a huge emotional obstacle and completed an almost impossible task given to him by Mr. Mei Dashui at the cost of his life-letting the Kuomintang 183 Division surrender to the People's Liberation Army.

Song: Miss of a big family in a small town, Ma Yiwu's classmate and lover, and Ma's wife. A woman who loves Ma Yiwu deeply but marries Ma Wenyi; A woman who lives in a family with deep hatred for her family; A woman who loves singing and dancing but is silent after marriage; A woman who has always refused to have children but can't live without them. At the moment when Ma did everything for her son and decided to surrender to the PLA, she finally forgave and understood her husband who had hated her all her life.

Mei Dashui: a division commander of the People's Liberation Army. I used to work for Ma's parents. 1935 joined the Red Army. Brother Mei Jiuyan. This is a soldier who can fight but is full of human brilliance. Based on his knowledge of horses, he decided to let Ma Yiwu persuade 183 Division to surrender. However, because Colonel Sun was captured and had relations with the Ma family, he was misunderstood by his comrades. Under great pressure, Ma Yiwu secretly carried out the surrender work to the end. Finally, before the decisive battle, a battle that both sides had to pay a heavy price came to an abrupt end. When we recall the difficult decision he made in the middle of the 20th century in the 2nd/Kloc-0th century, we will be deeply moved by all those who survived his decision and their descendants.

Mao Dahua: deputy commander of National Army 183 Division, an important figure sent by Kuomintang to control horses. Born in a poor peasant family, he became a senior general through struggle and married his boss's woman. He always wears peasant underwear in his military uniform to remind himself to keep fighting and stay away from that class. He has feelings for the operator Guan Xinyi but often blames himself. Only when Ma Yiwu went up the mountain did he realize the danger of the team and secretly controlled the army. Finally, he resolutely sacrificed when he stopped Ma Wenyi from surrendering to the People's Liberation Army.

Ma's father: Ma's father, a person who smoked opium but always dreamed of being a county magistrate to benefit the people, a person who was seriously frustrated by fate and drugged himself with opium. Finally, this decadent life produced a short flame.

Song Fu: The father of the Song Dynasty, ruthless, forged a deep hatred with the Ma family when organizing local armed forces, and fought with the Ma family for life. When Ma Yiwu persuaded him to surrender, he did everything possible to create opportunities for his brothers.

Yang Guanjia: Ma Guanjia, who has followed Ma for many years, has a lifelong belief that one servant does not serve two masters, and only he can see through Mao Dahua on the mountain. After the horse broke all his self-esteem, he thought it was wrong to follow his master all his life, and that only Mao Dahua had a way out. He betrayed Ma's family at a crucial time, but he walked into the gate of hell.

Mei Jiuyan: Mei Dashui's sister, Song's dowry maid, is the only one willing to talk privately. First, she hated Ma and Song. When she saw Ma's infatuation with Song, she thought it was a rare man, so she betrayed Song. So, I fell in love with the horse quietly, but the horse only loved Song, which made her love this man even more.

Guan Xinyi: Mao Dahua's telegraph operator is Mao Dahua's concubine. Pregnant with Mao Dahua's child, Mao Dahua forced her to abort. She betrayed Mao Dahua in the event of saving her son Ma.

Wang Hua: Military health workers are enthusiastic and cheerful. Colonel Sun pursues her, but she likes Ma Yiwu with artistic temperament. She gave Ma Yiwu the harmonica given to her by Colonel Sun, but was asked back by Colonel Sun. When she went up the mountain to give medicine to Ma's son and died, she finally accepted Colonel Sun's touching love.

Colonel Sun: In order to show the firmness of the revolution, he has always declared that "as long as the revolution is not won, he will not look at women for a day." However, after seeing the injured health worker Wang Hua in the hospital, he was upset, but he was afraid to take action because of slogans. I grabbed a harmonica and handed it to Wang Hua. I have been thinking about Wang Hua since I was arrested. Finally, when Wang Hua accepted him, Wang Hua died. So, heartbroken, he decided that "the revolution has won, don't look at women."