One and Only

周生如故 ‧ Drama ‧ 2021

Ren Jia Lun
Zhou Sheng Chen
Main Role
Bai Lu
Cui Shi Yi
Main Role

Wang Xing Yue
Liu Zi Xing
Support Role
Li Yi Ru
Hong Xiao Yu [General]
Support Role
Zhou Lu La
Xiao Yan [2nd Prince of Nanxiao / Monk]
Support Role
Ethan Yao
Cui Feng [Cui Shi Yi's cousin]
Support Role
Zhang Cheng Hang
Zhou Tian Xing [General]
Support Role
Yuan Ruo Hang
Xie Yun [General / Xie Chong's son]
Support Role
Su Meng Yun
Feng Qiao [General]
Support Role
Wu Man Si
Qi Xing Hua [Princess]
Support Role
Fu Jun
Xie Chong [Military Advisor]
Support Role
Liu Wei Wei
Cui Wen Jun [Cui Shi Yi's mother]
Support Role
Liang Ai Qi
Qi Zhen Zhen [Empress Dowager]
Support Role
Yu Yang
Cui Guang [Grand tutor]
Support Role
Jeremy Luo
Liu Hui [Emperor]
Support Role
Wang Xing Han
Zhao Teng [Grand eunuch]
Support Role
Guo Wei
Liu Yuan [General-in-chief]
Support Role
Guo Jun
Liu Wei [Prime minister]
Support Role
Wang Yu
Liu Chang Shan [Court minister]
Support Role
Zhang Zhang
Cheng Xi [Cui Shi Yi's maid]
Support Role
Han Cheng Yu
Huan Yu [Teacher]
Support Role
Chu Zhen
Cui Shou [General]
Support Role
Li Huai Long
Cui Zheng
Support Role
Geng Li Ming
Cui Wen Ji
Support Role
Wang Yi Lin
Meng Luan [Liu Zi Xing's eunuch]
Support Role
Daniel Feng
King Ping Qin [Feudal king of Ping Qin town]
Support Role
Dai Si
Jin Zhen Er [Liu Hui's unfavored consort]
Support Role
Pan Qi Yan
Concubine Jiang [Liu Hui's beloved consort]
Support Role
Xie Hong Xin
Xie Chen [Xie Chong's godson]
Support Role
Zheng Lu
Zhangsun Jie [Zhou Tian Xing's subordinate]
Support Role
Ben Wang
Qin Yan [Hong Xiao Yu's subordinate]
Support Role
Luo Er Yang
Emperor Xiao [Southern Xiao]
Support Role
Liu Bo Xiao
Jin Rong [Hu general / Jin Zhen Er's father]
Support Role
Li Yu Su
Empress Gao
Support Role
Xi Xue
Gao Huai Yang
Support Role
He Yi Chen
Yang Shao [Former general of Yong City]
Support Role
Huang Ji Dong
Yuan Wu Chu [Deputy commander of Imperial guards]
Support Role
Hu Cheng Yi
General Gan
Support Role
Xu Yi Wen
"Lady Li" / Li Xian Ren [Liu Zi Xing's nanny]
Support Role
Su Yu Chen
Hou Mochen Yue
Support Role
Li Ting Xu
Liu Zi Zhen [Son of deceased Prince Tao Lin]
Support Role
Chen Bao Guo
Qin Bin [Empress Gao's henchman]
Support Role
Zhang Hai Feng
[Military physician]
Support Role
Ren Xi Hong
[Court minister]
Support Role
Zhang Bin
[Imperial physician]
Support Role

Luo Lei
[Cui Shi Yi's father]
Guest Role
Li Chao Ping
Emperor Liu Hui [Young]
Guest Role
Liu Qi Qi
Cui Shi Yi [Young]
Guest Role
Oscar He
Zhou Sheng Chen [Young]
Guest Role
Zhang Shun Han
Liu Zi Xing [Liu Hui's study companion]
Guest Role
Zhou Yan
[Zhongli Temple abbot] (Ep 4)
Guest Role
Yu Qing
[Boatman of Daliang]
Guest Role
Feng Li Ping Guest Role
Hao Zhen Jun
Song Qian
Guest Role

Bian Jiang
Zhou Sheng Chen
Voice Actor
He Wen Xiao
Hong Xiao Yu
Voice Actor
Liu Qing
Cui Shi Yi
Voice Actor
Jin Li
Meng Luan
Voice Actor
Li Lan Ling
Xie Chen
Voice Actor
Xu Chang Fan
Gao Huai Yang
Voice Actor
Shen Liang Jun
Zhou Sheng Chen [Young] | Shu Tong
Voice Actor

Li Jin Li Unknown

Cha Eun Woo reportedly not the initial target of Seoul Regional Tax Office

Articles - Jan 23, 2026

Get insights on Cha Eun Woo's tax evasion controversy

Cha Eun Woo breaks silence on tax evasion allegations via Instagram post

News - Jan 26, 2026

The singer and actor apologizes in a social media post

Cha Eun Woo under investigation for tax evasion

News - Jan 23, 2026

Full details inside

Disney+ unveils 2026 lineup

News - Jan 22, 2026

Check out the shows that will be streaming on the OTT this year

'No Tail to Tell' ratings drop, 'Undercover Miss Hong' goes steady

News - Jan 25, 2026

Check out the latest ratings of weekend K-dramas

Go Youn Jung on 'Can This Love Be Translated?': 'It was a fairytale'

Celebrity - Jan 23, 2026

Go Youn Jung sits for an interview with local reporters at a café in Seoul, where she shared her feelings on bidding farewell to her latest Netflix release, 'Can This Love Be Translated?'