Niu Da Li --- Liu Guan Lin
Niu Da Li, an unassuming furnace worker, is the husband of Yao Yu Ling. He is a hardworking, kind, and ambitious individual. Initially an ordinary worker, he possesses a strong sense of responsibility and commitment. He silently supports Yao Yu Ling throughout her journey, even when she mistakenly left him due to a misunderstanding. Niu Da Li never gave up on his feelings for Yao Yu Ling. Through his actions, he proves his sincerity and unwavering devotion, ultimately winning Yao Yu Ling's heart.
Wang Xin --- Bai Jing Ting
Police officer Wang Xin is not only a good brother in Niu Da Li's life but also the number one rival in Niu Da Li's love life.
Ma Yan --- Jin Chen
Ma Yan, the daughter of Ma Kui from the Railway Bureau, has a pure and kind personality. She holds deep expectations and yearnings for life. Whenever the night is quiet, Ma Yan silently gazes out of the window, her heart filled with endless longing. Ma Yan has a strong desire for freedom and independence, but she faces various expectations and limitations from her family members and father.
Ma Kui --- Ding Yong Dai
Ma Kui, an elder railway police officer, always maintains a clear sense of mission and responsibility. He diligently serves on the main railway line and ultimately fulfills the role of passing on the legacy.
Shen Xiu Ping --- Zuo Xiao Qing
Shen Xiu Ping, a senior doctor working at the Railway Hospital, demonstrates a highly dedicated and responsible professional attitude. She provides meticulous care and attention to her patients. Dr. Shen arrives at the hospital early every day, wearing a smile and offering warm gazes, making each patient feel at ease and cared for. With her gentle and kind nature, Dr. Shen has won the widespread affection and admiration of her colleagues and patients alike.
Wang Yong Ge --- Liu Jun
Wang Yong Ge, the father of Wang Xin, is a smooth and worldly-wise train conductor with a deep and conflicted personality. He is a selfish and fearful individual. Due to his own ambitions and selfishness, Wang Yong Ge chose silence and evasion instead of standing up to clarify the truth regarding Ma Kui's situation. This choice has brought him inner guilt and pain, and it has also led to a growing distance between him and his son, Wang Xin.
Yao Yu Ling --- Jiang Yan
Yao Yu Ling, a stewardess on the train, has a cheerful and generous personality, always maintaining an optimistic attitude. She is passionate about her work and always goes above and beyond to serve the passengers. In her daily life, Yao Yu Ling exudes a lively energy. She approaches her job with a positive and proactive attitude. However, in matters of love, she often encounters various disputes. After experiencing a series of emotional crises, she finally finds the person she truly loves.
Wang Su Fang --- Hu Ke
Wang Su Fang, the mother of Ma Yan, is a resilient and virtuous traditional Chinese woman. When her husband, Ma Kui, was wrongfully imprisoned and the family faced adversity, she did not choose to retreat or evade but instead stepped forward resolutely, shouldering the burden of the family. With unwavering faith, she supported the entire family and fought against the hardships they faced. Unfortunately, she passed away due to cancer in the end.