Weightlifting Fairy Kim Bok Joo

Chief Producer

• 
  Han Hee

Composer

• 
  Jung Se Rin

Director

• 
  Oh Hyun Jong
• 
  Nam Sung Woo

Screenwriter

• 
  Yang Hee Seung
• 
  Kim Soo Jin

Main Role

• 
  Lee Sung Kyung

  Kim Bok Joo

  Main Role
• 
  Nam Joo Hyuk

  Jung Joon Hyeong

  Main Role
• 
  Lee Jae Yoon

  Jung Jae Yi

  Main Role
• 
  Gyeong Su Jin

  Song Shi Ho

  Main Role

Support Role

• 
  Cho Hye Jung

  Jung Nan Hee [Bok Joo's best friend]

  Support Role
• 
  Lee Joo Young

  Lee Sun Ok [Bok Joo's best friend]

  Support Role
• 
  Ji Il Joo

  Jo Tae Kwon [Joo Hyeong's best friend]

  Support Role
• 
  Yoo Joon Hong

  Jung Woo [Bok Joo's sunbae]

  Support Role
• 
  Jang Young Nam

  Choi Sung Eun [Bok Joo's coach]

  Support Role
• 
  Yoo Da In

  Go Ah Yeong [Jae Yi's friend]

  Support Role
• 
  Jo Soo Hyang

  Soo Bin [Shi Ho's teammate]

  Support Role
• 
  Kang Ki Young

  Kim Dae Ho [Bok Joo's uncle]

  Support Role
• 
  Moon Ji Yoon

  Sung Chul [Bok Joo's sunbae]

  Support Role
• 
  Ray Yang

  Sung Yoo Hee [Shi Ho's coach]

  Support Role
• 
  Oh Eui Shik

  Bang Un Gi [Bok Ju's sunbae]

  Support Role
• 
  Ahn Kil Kang

  Kim Chang Gul [Bok Joo's father]

  Support Role
• 
  Choi Moo Sung

  Yoon Deok Man [Bok Joo's professor]

  Support Role
• 
  Jung In Ki

  [Joon Hyeong's uncle]

  Support Role
• 
  Lee Jung Eun

  [Joon Hyung's aunt]

  Support Role
• 
  Park Won Sang

  [Joon Hyeong's therapist]

  Support Role
• 
  Choi Woong

  Kim Ki Suk [Joon Hyeong's sunbae]

  Support Role
• 
  Z Hera

  Song Shi Yeon [Shi Ho's sister]

  Support Role
• 
  Kim Chae Eun

  [Nurse]

  Support Role
• 
  Kim Ye Jun

  Jung Joon Hyung [Young]

  Support Role
• 
  Jung Eugene

  [Rhythmic gymnastics team]

  Support Role
• 
  Jung Hyun Seok

  [Dormitory housemaster]

  Support Role
• 
  Lee Ji Hoon

  [Swimming team coach]

  Support Role
• 
  Lee Ye Bin

  Lee Ye Bin

  Support Role
• 
  Lee Ji Woo

  Kim Bok Joo [Young]

  Support Role

Guest Role

• 
  Kim Jae Hyun

  Kim Jae Hyeon [Joon Hyung's junior in swimming team]

  Guest Role
• 
  Lee Jong Suk

  Jong Seok [Chicken Restaurant customer] (Ep. 2)

  Guest Role
• 
  Kim Ji Soo

  [Guy who works with Bok Joo] (Ep. 11)

  Guest Role
• 
  Kim Woo Hyeok

  Kim Woo Hyuk [Joon Hyung's junior in swimming team]

  Guest Role
• 
  Lee Jong Hwa

  Choi Tae Hoon (Ep. 1 & 15)

  Guest Role
• 
  Kim Min Ho

  [Weightlifter] (Ep. 2)

  Guest Role
• 
  Seo Hyun

  Hwan Hee [Jae Yi's ex-girlfriend] (Ep. 12)

  Guest Role
• 
  Yoon Yoo Sun

  Kim Jong Yeon [Joon Hyeong's mom]

  Guest Role
• 
  Min Sung Wook

  Sang Gu [Jae Yi's sunbae] (Ep. 12)

  Guest Role
• 
  Kim Seul Gi

  Seul Gi [Delivery girl] (Ep. 15)

  Guest Role
• 
  Byeon Woo Seok

  Joon Hyung's senior (Ep. 16)

  Guest Role
• 
  Noh Woo Jin

  [Bok Ju's senior from Hope House]

  Guest Role
• 
  Lee Soo Ji

  Goo Seul (Ep. 1)

  Guest Role
• 
  Oh Ha Nee

  [Rhythmic gymnast]

  Guest Role
• 
  Ahn Il Kwon

  [Bar fight combatant] (Ep. 3)

  Guest Role
• 
  Kim Ga Eul

  [Bok Joo's friend]

  Guest Role
• 
  Seo Kwang Jae

  Dean Kim Kyung Min

  Guest Role
• 
  Tae Won Seok Guest Role
• 
  Yoo Dam Yeon Guest Role
• 
  Lee Ha Eun

  [Group date] (Ep. 9)

  Guest Role
• 
  Kwon Hyuk Bum Guest Role
• 
  Kim Gun

  [Joon Hyung's elementary school classmate] (Ep. 2)

  Guest Role
• 
  Hwang Dong Hee

  [Athletic club]

  Guest Role
• 
  Yoo Young Bin Guest Role
• 
  Kim Seo Ha

  [Athletic Team Captain]

  Guest Role
• 
  Yoon Sung Woo

  [Clever boy]

  Guest Role
• 
  Kim Su In

  [Young girl doing rhythmic gymnastics]

  Guest Role
• 
  Shin Ah Young

  [Announcer]

  Guest Role
• 
  Kim Nam Woo

  Nam Woo

  Guest Role
• 
  Park Kyu Yeop Guest Role
• 
  Kim Hyun Jung

  [Dormitory housemother] (Ep. 3)

  Guest Role
• 
  Kim Ji Eun

  [Dance senior]

  Guest Role
• 
  Oh Jin Ha

  [Nurse]

  Guest Role

Unknown

• 
  Dong Yoon Seok Unknown
• 
  Park Geon Rak Unknown
• 
  Jo Mi Nyeo Unknown
• 
  Ok Joo Ri Unknown
• 
  Jo Shi Nae Unknown
• 
  Seo Wang Seok Unknown
• 
  Lee Gyoo Jung Unknown
• 
  Han Seo Yeon Unknown

Bit part

• 
  Ju Seo Eun Bit part