Main

• Chen Zheyuan as Zhou Siyue^[5]

A young, handsome scholar who exudes an air of aloofness and intelligence. Despite his cold and distant exterior, he possesses a gentle and determined nature that drives him to pursue his innermost desires. In the face of family challenges, he remains resolute in his pursuit of his dreams.

• Xu Mengjie as Ding Xian^[5]

An unwavering and determined young woman who never turns away from challenges until she faces an insurmountable obstacle. Her life underwent a dramatic transformation when she relocated from a small town to Shenhai City. Influenced by her youthful impulsiveness she showcase her fierce determination and unwavering pursuit of her goals.

Supporting

• Fan Zhixin as Su Bocong

A childhood and senior friend of Ding Xian. He stepped in as a reliable confidant, offering a sympathetic ear and assistance with Ding Xian's studies.

• Wang Zexuan as Song Ziqi

A close friend of Zhou Siyue who is born from an ordinary family. He possesses an unshakable confidence in his conversational abilities. Growing up alongside his childhood sweetheart, Kong Shadi, who was both a schoolmate and a neighbor.

• Wang Yilan as Kong Shadi

A stunning and generous young woman hailing from a wealthy background, radiating both beauty and affluence. With a passionate spirit, she embodies the archetype of a "rich and beautiful" beauty. Extending a welcoming "hand of friendship" to the new arrival, Ding Xian, she quickly became Ding Xian's close friend during high school.

• Liu Zhiwei as You Keke

A close friend of Ding Xian from different class. She approaches people and situations with an open-minded and nonjudgmental attitude, often taking on the role of a guiding and caring older sister. Her enigmatic charm and willingness to help others make her a charismatic presence in their lives.

• Li Riyao as Jiang Chen

Our Secret: Original soundtrack

The drama soundtrack's is compiled in one album that consist of five songs. It was released on August 10, 2021 on various music platform.