The Top Speed

Director

• 
  Wang Tao Tao

Main Role

• 
  Tong Da Wei

  Zhang Chi

  Main Role
• 
  Ren Su Xi

  Qi Ji

  Main Role

Support Role

• 
  Zhang Yu Xi

  Sun Jia Qi [Emergency dispatcher]

  Support Role
• 
  Liu Yi Tong

  Zheng Bo [Paramedic]

  Support Role
• 
  Vincent Wei

  Xu Cheng Yuan [Paramedic]

  Support Role
• 
  Xu Shen Dong

  Chen Xue [Paramedic]

  Support Role
• 
  Liu Shu Yuan

  Huang Hao [Paramedic]

  Support Role
• 
  Duan Ran

  Cui Yu Ming [Paramedic]

  Support Role
• 
  Li Xiao Hong

  Lu Jian Mei [Emergency Center director]

  Support Role
• 
  Zhao Cheng Shun

  Qi Xue Jun [Qi Ji's father]

  Support Role
• 
  Liu Chen Xia

  Ceng Li [Qi Ji's mother]

  Support Role
• 
  Wu Cheng Xuan

  Qu Yu Fan

  Support Role
• 
  Sun Ning

  Zhang Bei Hai [Zhang Chi's father]

  Support Role
• 
  Jiang Yi

  Zhang Bei Hai [Young adult]

  Support Role
• 
  Lan Xi

  Qin Shu Hua [Zhang Chi's mother]

  Support Role
• 
  Liu Guan Lin

  Sun Yi Mo [Young adult]

  Support Role
• 
  Xin Hao Jiang

  Dong Zi [Paramedic]

  Support Role
• 
  Cai Zi Lun

  Director Zhao [Emergency Centre]

  Support Role
• 
  Gavin Gao

  Hua Zi [Deliveryman]

  Support Role
• 
  Wei Bo

  Wang Cheng [Paramedic]

  Support Role
• 
  Lily Wang

  Ding Yu Fei [Paramedic]

  Support Role
• 
  Wang Zheng Jun

  Director Dai [Hospital director]

  Support Role
• 
  Liu Yi Zhen

  Xiao Yue [Doctor]

  Support Role

Guest Role

• 
  Hou Tong Jiang

  Lin Guang Wen (Ep. 1-2)

  Guest Role
• 
  Gao Jun Hai

  Fang Qi [Qi Ji's boyfriend] (Ep. 2)

  Guest Role
• 
  Cheng Zhen

  [Jia Qi's sexual harasser] (Ep. 2-3)

  Guest Role
• 
  Luo Yi Chun

  Dan Dan (Ep. 2-4)

  Guest Role
• 
  Fan Lei

  Wu Liang Cheng [Doctor] (Ep. 2, 18)

  Guest Role
• 
  Wang Qiang

  [Dan Dan's mother] (Ep. 3-4, 7)

  Guest Role
• 
  Lu Mei Fang

  Li Jun (Ep. 3, 16)

  Guest Role
• 
  Qian Yong Chen

  Dong Liang [Li Jun's ex-husband] (Ep. 3, 6, 16)

  Guest Role
• 
  Tong Xiao Hu

  Mr. Liang [Restaurant stall owner] (Ep. 4, 13, 15, 29)

  Guest Role
• 
  Long Xin Yue

  [Manga artist's wife] (Ep. 8)

  Guest Role
• 
  Zhang Min

  [Grandpa Cheng's neighbor] (Ep. 8-9, 13)

  Guest Role
• 
  Li Jun

  Grandpa Cheng (Ep. 8-10, 13)

  Guest Role
• 
  Yu Bi Cheng

  Zhang Chi [Child] (Ep. 9, 16)

  Guest Role
• 
  Zhang Hui Zi

  [Daughter of mother in car accident] (Ep. 9)

  Guest Role
• 
  Ren Jie

  Ju Li Fang (Ep. 9, 27)

  Guest Role
• 
  Chen Xu Ming

  Wang Yan Kun (Ep. 9, 27)

  Guest Role
• 
  Ye Xuan Tong

  Qi Ji [Teen] (Ep. 10)

  Guest Role
• 
  Yu Chun

  Sun Yi Mo [Jia Qi's uncle] (Ep. 13, 20, 25-26, 30)

  Guest Role
• 
  Yan Yang

  {Emergency patient] (Ep. 14)

  Guest Role
• 
  Hou Jun Jie

  Hou Jun Jie (Ep. 14)

  Guest Role
• 
  Luo Lei

  Mr. Jiang [Yang Jing's abusive husband] (Ep. 15, 17)

  Guest Role
• 
  Li Yan

  [Negotiation expert] (Ep. 16)

  Guest Role
• 
  Ge Zhao Mei

  [Li Jun's mother] (Ep. 16-17)

  Guest Role
• 
  Geng Da Yong

  Captain Wang [Police officer] (Ep. 16-17)

  Guest Role
• 
  Chen Si Che

  Yan Yun Yun (Ep. 17-18, 24, 28-30)

  Guest Role
• 
  Qin Hai

  Wang Jian Guo (Ep. 20)

  Guest Role
• 
  Ding Yang

  Chen Gui Zhi [Jian Guo's wife] (Ep. 20-22)

  Guest Role
• 
  Xu Xiao

  Liu Zhi Gang [Young adult] (Ep. 21-23)

  Guest Role
• 
  Chen Xin Ru

  Xu Cheng Nuo [Cheng Yuan's sister] (Ep. 23)

  Guest Role
• 
  Lu Xi

  Wu Xiao Yue [Nurse] (Ep. 26)

  Guest Role
• 
  Shao Yi Fan

  Xiao Fang [Gao Xiang's wife] (Ep. 29)

  Guest Role
• 
  Juan Zi

  Sister Zhou

  Guest Role
• 
  Yan Wen Jun

  Liao Xiao Mei

  Guest Role
• 
  Amy Liao

  Ren Jie

  Guest Role
• 
  Huai Yuan

  Captain Xing

  Guest Role
• 
  Du Hong Jun

  [Grandma]

  Guest Role
• 
  Zhang Xiao Man

  [Liao's father]

  Guest Role
• 
  Lin Ruo Xi

  [Junkyard girl]

  Guest Role
• 
  Liao Song Mei

  [Yun Yun's mother]

  Guest Role
• 
  Wang Yuan

  [Junkyard girl's mother]

  Guest Role