Pump Up the Healthy Love

Director

• 
  Park Joon Soo
• 
  Choi Yeon Soo

Screenwriter

• 
  Kim Ji Soo

Main Role

• 
  Lee Jun Young

  Do Hyeon Jung

  Main Role
• 
  Jung Eun Ji

  Lee Mi Ran

  Main Role

Support Role

• 
  Lee Mi Do

  Rosa [Gym's boss]

  Support Role
• 
  Lee Seung Ryong

  Alex / "Baby Muscle Man" [Gym's mascot]

  Support Role
• 
  Park Sung Yun

  Im Seong Im [Leader of the 'Three Witches']

  Support Role
• 
  Lee Ji Hye

  Yun Bu Yeong [Right arm of the 'Three Witches']

  Support Role
• 
  Hong Yoon Hwa

  Park Dul Hui [Left arm of the 'Three Witches']

  Support Role
• 
  Lee Da Eun

  Lee Ji Ran [Mi Ran's sister]

  Support Role
• 
  Jung Wook Jin

  Yeom Jun Seok

  Support Role
• 
  Lee Sang Jin

  Kang Dan [Ji Ran's boyfriend]

  Support Role
• 
  Nam Kyu Hee

  Kim Ye Jin [Co-worker]

  Support Role
• 
  Heo Jung Do

  Park Jun Bae [Team leader]

  Support Role
• 
  Kim Kwon

  Lee Roy [Iroy Gym owner]

  Support Role
• 
  Park Hae In

  Kang Sol

  Support Role

Guest Role

• 
  Kim Yoon

  Jun Hui (Ep. 1)

  Guest Role
• 
  Kim Kyung Il

  [Police officer] (Ep. 1)

  Guest Role
• 
  Konstantin Romanenko

  ["Mr. David" contest host] (Ep. 1, 7)

  Guest Role
• 
  Shin Min Seo

  Sin Su Yeon [Co-worker] (Ep. 1-3, 5-7, 12)

  Guest Role
• 
  Kwon Hae Woo

  Yang Jae Sik [Co-worker] (Ep. 1-3, 5-7, 12)

  Guest Role
• 
  Park Geon Ju

  [Gangster] (Ep. 1-2, 8, 10, 12)

  Guest Role
• 
  Kim Dae Han

  [Gangster] (Ep. 1-2, 8, 10, 12)

  Guest Role
• 
  Park No Kyeong

  [Gangster] (Ep. 1-2, 8, 10, 12)

  Guest Role
• 
  Lee Dong Yong

  [Landlord] (Ep. 1, 10, 12)

  Guest Role
• 
  Jung Ja Young

  [Member] (Ep. 2)

  Guest Role
• 
  Kim Jun Hyun

  [Past client] (Ep. 2)

  Guest Role
• 
  Na Ho Won

  [Bus driver] (Ep. 2)

  Guest Role
• 
  Jung Ki Sun

  [Taxi driver] (Ep. 2)

  Guest Role
• 
  Jo Jung Chi

  Kang Cheol Nam (Ep. 3)

  Guest Role
• 
  Choi Seol Hwa

  [Trainer] (Ep. 3)

  Guest Role
• 
  Yun Sung Bin

  [Himself] (Ep. 3)

  Guest Role
• 
  Park Tae Yun

  [Teen bully] (Ep. 3)

  Guest Role
• 
  Han Sang Chul

  [Bus driver] (Ep. 3)

  Guest Role
• 
  Hong Joo Hyung

  [Deliveryman] (Ep. 3)

  Guest Role
• 
  Joo Kwang Hyun

  [SMF member (Ep. 3)

  Guest Role
• 
  Choi Mu Sung

  Dong Han Cheol (Ep. 3, 7, 12)

  Guest Role
• 
  Cha Yu Jin

  Lee Suk Im (Ep. 4)

  Guest Role
• 
  Yang Chi Seung

  [Nabbi Korea host] (Ep. 4)

  Guest Role
• 
  Choi Jae Sub

  [Seong Im's husband] (Ep. 6)

  Guest Role
• 
  Kim Oh Bok

  [Gym equipment repairman (Ep. 6)

  Guest Role
• 
  Kim Yu Jun

  [Mi Ran's crush] (Ep. 7)

  Guest Role
• 
  Lee Kyung Oh

  [Hiker] (Ep. 7)

  Guest Role
• 
  Kwak Na Yeon

  [Hiker] (Ep. 7)

  Guest Role
• 
  Moon Sang Hoon

  [Blind date] (Ep. 8)

  Guest Role
• 
  Jung Hyuk

  Jeong Han [Blind date] (Ep. 8)

  Guest Role
• 
  Kim Jung Han

  [Repairman] (Ep. 8, 12)

  Guest Role
• 
  Park Beom Chan

  Alex [Young] (Ep. 10)

  Guest Role
• 
  Lee Yoon Woo

  [Teen boy] (Ep. 10)

  Guest Role
• 
  Kim Ye Jun

  [Teen boy] (Ep. 10)

  Guest Role
• 
  Lee Jae Soon

  [Sweet potato seller] (Ep. 10)

  Guest Role
• 
  Son Tae Wook

  [Vlogger] (Ep. 10)

  Guest Role
• 
  An Tae Gyeong

  [Lawyer] (Ep. 10)

  Guest Role
• 
  Sung Yeo Jin

  [Alex's mother] (Ep. 10)

  Guest Role
• 
  Hwang Samuel

  [Consultation man] (Ep. 10)

  Guest Role
• 
  Jeon Sang Hyuk

  [Vlogger] (Ep. 10)

  Guest Role
• 
  Kim Chu Wol

  [Restaurant owner] (Ep. 11)

  Guest Role

Cameo

• 
  Jung Dae Jin

  [Hyeon Jung's body double and couple] (Ep. 1)

  Cameo