It's My Life

Director

• 
  Kwak Gi Won

Screenwriter

• 
  Park Gye Hyung

Main Role

• 
  Park Yoon Jae

  Yang Nam Jin / An Nam Jin

  Main Role
• 
  Seo Hyo Rim

  Han Seung Joo

  Main Role
• 
  Jin Ye Sol

  Jeong Jin Ah

  Main Role
• 
  Kang Tae Sung

  Choi Shi Woo

  Main Role
• 
  Kim Hae Ri

  Choi Soo Hee / Choi Geum Soon

  Main Role

Support Role

• 
  Kang Shin Il

  Heo Cheongsan [Legal Attorney & CEO]

  Support Role
• 
  Yang Hye Jin

  Butler Heo In Sook [Chung San's sister]

  Support Role
• 
  Nam Il Woo

  An Seok Ho [Nam Jin and Si U's grandfather]

  Support Role
• 
  Hong Yo Sub

  Han Man Seok [Seong Ju's father]

  Support Role
• 
  Yoo Ji Yeon

  Ko Yeon Shil [Seon Gyoo's sister]

  Support Role
• 
  Kang Doo

  Ko Seon Gyu [Yeon Shil's brother]

  Support Role
• 
  Jo Duk Hyun

  Lee Sang Hyeon [Team 2's member]

  Support Role
• 
  Chae Min Hee

  Kim Yoon Hee [Team 2's member]

  Support Role
• 
  Park Sun Joon

  Goo Jae Seon [Team 2's member]

  Support Role
• 
  Kim Min Jwa

  Lee Jeong Joo [Team 2's designer]

  Support Role
• 
  Park Boo Gun

  Jo Doo Pil [Team 1's Associate Manager]

  Support Role
• 
  Lee Jung Hoon

  Jang Hee Cheol [Team 1's Chief Designer]

  Support Role
• 
  Song Min Ji

  Seo Yeon Ji [Team 1's assistant designer]

  Support Role
• 
  Kim Ri Won

  Kim Ji Yeong [Team 1's Fabric and Trimmings Specialist]

  Support Role
• 
  Kim Kyung Ryong

  Kang Dong Tae [Dae Shik's father]

  Support Role
• 
  Baek Soo Ryun

  Mrs. Kang

  Support Role
• 
  Yuk Dong Il

  Kang Dae Shik [Nam Jin's childhood friend]

  Support Role
• 
  Lee Jong Nam

  Yang Soon Ja [Nam Jin's mother]

  Support Role
• 
  Kwon Hyuk Ho

  Bang Cheol Sang [Soon Ja's husband & Nam Jin's adoptive father]

  Support Role
• 
  Park Seong Kyun

  [Man Seok's assistant]

  Support Role
• 
  Heo Eun

  Assistant Yoo [Choi Soo Hee's secretary]

  Support Role
• 
  Yang Seung Geol

  Chairman Na

  Support Role
• 
  Lee Sang Goo

  [Jin Ah's father]

  Support Role
• 
  Joo Soo Jung

  [Jin Ah's mother]

  Support Role
• 
  Kim Seung Wan

  Seo Young Chul [Yeon Ji's younger brother]

  Support Role
• 
  Kim Joo Ah

  [So Jeong's mother]

  Support Role
• 
  Kim Do Yeon Support Role

Guest Role

• 
  Kan Mi Youn

  Han Mi Ra [See Ji's mother]

  Guest Role
• 
  Kim Dan Woo

  Han Soo Ji [Mi Ra's daughter]

  Guest Role
• 
  Lee Jong Goo

  Ahn Seok Jae [Seok Ho's brother]

  Guest Role
• 
  Kim Gwang In

  Jo Jae Young [Seok Jae's right-hand]

  Guest Role
• 
  Go Jin Myung

  [Bong Choon's grandfather]

  Guest Role
• 
  Joo Boo Jin

  [Grandmother who cleaned Nam Jin's drain]

  Guest Role
• 
  Kim Cheol Seong

  [Police officer]

  Guest Role
• 
  Kim Oh Bok

  [Man who says he mistakenly put oil in his car]

  Guest Role
• 
  Gong Jae Won

  Kim Jae Young [Shi Woo's doctor]

  Guest Role
• 
  Oh A Lin

  Na So Jung

  Guest Role
• 
  Shin Chi Young

  [Moderator]

  Guest Role
• 
  Kim Seon Gyeong

  [Shopping mall CEO]

  Guest Role
• 
  Ham Jin Sung

  [Cellphone clerk]

  Guest Role
• 
  Min Joon Hyun

  [Board of directors MC]

  Guest Role
• 
  Lee Se Na

  Kim Ha Na [Genius Company's intern]

  Guest Role
• 
  Kim Jae Seung

  Song Jae Hyun

  Guest Role
• 
  Lee Jae Wook

  [Yeon Shil's Chinese teacher]

  Guest Role
• 
  Dong Yoon Seok Guest Role
• 
  Kim Yong Ho Guest Role
• 
  Oh Yun Gun Guest Role

Unknown

• 
  Im Ji Young Unknown
• 
  Lee Jin Mok Unknown
• 
  Oh Jin Ha Unknown
• 
  Oh Ji Yeon Unknown
• 
  Shin Se Rin Unknown
• 
  Kang Min Ju Unknown
• 
  Jeon Jin Seo Unknown
• 
  Jang Dae Ung Unknown
• 
  Han Dae Gwan Unknown
• 
  Jeon Seong Hun Unknown
• 
  Park Geon Rak Unknown