The Potato Lab

Director

• 
  Kang Il Soo
• 
  Shim Jae Hyun

Screenwriter

• 
  Kim Ho Soo

Main Role

• 
  Lee Sun Bin

  Kim Mi Gyeong

  Main Role
• 
  Kang Tae Oh

  So Baek Ho

  Main Role
• 
  Lee Hak Joo

  Park Gi Se

  Main Role

Support Role

• 
  Kim Ga Eun

  Lee Ong Ju [Mi Gyeong's friend]

  Support Role
• 
  Shin Hyun Seung

  Kim Hwan Gyeong [USB guest house owner]

  Support Role
• 
  Jung Shin Hye

  Yun Hui Jin [Gi Se's ex-wife]

  Support Role
• 
  Yoo Seung Mok

  Bu Jae Jung [Research team's head]

  Support Role
• 
  Woo Jeong Won

  Ju Seung Hui [Research team's deputy director]

  Support Role
• 
  Kwak Ja Hyung

  Ko Jeong Hae [Research team's manager]

  Support Role
• 
  Kim Ji A

  Jang Seul Gi [Representative]

  Support Role
• 
  Yoon Jung Sub

  Lee Chung Hyeon [Researcher]

  Support Role
• 
  Nam Hyun Woo

  Kwon Hui Dong [Intern]

  Support Role
• 
  Lee Dae Yeon

  Seong Ju [Monk / Mi Gyeong's father]

  Support Role
• 
  Kim Kyu Chul

  Hong Sun Ik [Former director]

  Support Role
• 
  Kim Cha Yoon

  Choi Ji Hyeon

  Support Role
• 
  Jang Yoo

  Byeon I Jang [Village chief]

  Support Role
• 
  Son Ji Yoon

  Chairman Yun

  Support Role
• 
  Jin Ga Eun Support Role

Guest Role

• 
  Heo Jung Do

  Mr. Cho (Ep. 1)

  Guest Role
• 
  Ryu Tae Ho

  Mr. Choi (Ep. 1)

  Guest Role
• 
  Myung Jae Hwan

  Michael Lee (Ep. 1)

  Guest Role
• 
  Jiyun Kim Huong

  [Farmer] (Ep. 1)

  Guest Role
• 
  Yoo Yong

  [HR employee] (Ep. 1)

  Guest Role
• 
  Han Myung Chul

  [Joongchan-ri farmer] (Ep. 1)

  Guest Role
• 
  Lee Han Wi

  [Joongchan-ri farmer] (Ep. 1)

  Guest Role
• 
  Jung Ja Young

  [Sunnyeo Food employee] (Ep. 1)

  Guest Role
• 
  Jeon Seong A

  [Jung Hae’s wife] (Ep. 2)

  Guest Role
• 
  Lin Da Jeon

  [Hairstylist] (Ep. 3)

  Guest Role
• 
  Jun Joon Woo

  Kim Jin Su (Ep. 4)

  Guest Role
• 
  Lee Seung Min

  [Surfer] (Ep. 4)

  Guest Role
• 
  Won Gun Su

  [Comic donor] (Ep. 4)

  Guest Role
• 
  Lee Seung Chul

  [Sunnyeo shaman] (Ep. 5)

  Guest Role
• 
  Kim Young Sun

  [Restaurant employee] (Ep. 5, 10)

  Guest Role
• 
  Kim Mi Hye

  [Sweet potato lab staff] (Ep. 10)

  Guest Role
• 
  Kim Joo Ah

  Byun Chang Suk (Ep. 8)

  Guest Role
• 
  Lee Jung Eun

  [Gi Se’s mom] (Ep. 9)

  Guest Role
• 
  Kwak Yeong Seon

  [Ong Ju’s dad] (Ep. 9)

  Guest Role
• 
  Cha Young Mi

  [Ong Ju’s mom] (Ep. 9)

  Guest Role
• 
  Shim Ji Yoo

  Ko Su Jin [Jeong Hae's daughter] (Ep. 10)

  Guest Role
• 
  Yoon Seong Won

  [Sweet potato lab staff] (Ep. 10)

  Guest Role
• 
  Sung Ji Ru

  [Sweet potato lab staff] (Ep. 10)

  Guest Role
• 
  Choi Ga In

  [Farmer] (Ep. 11)

  Guest Role
• 
  Kim Min Seok

  Chairman Kang [Youngsan] (Ep. 12)

  Guest Role