Yumi's Cells

Animation Department

• 
  Uhm Young Sik
• 
  Kim Da Hee

Composer

• 
  Kim Tae Seong

Director

• 
  Lee Sang Yeob

Screenwriter

• 
  Song Jae Jung
• 
  Kim Yoon Joo
• 
  Kim Kyung Ran

Main Role

• 
  Kim Go Eun

  Kim Yu Mi

  Main Role
• 
  Ahn Bo Hyun

  Koo Ung

  Main Role

Support Role

• 
  Park Ji Hyun

  Seo Sae I [SLW Studio]

  Support Role
• 
  Lee Yoo Bi

  Ruby [Yu Mi's co-worker]

  Support Role
• 
  Joo Jong Hyuk

  Louis [SLW Studio game developer]

  Support Role
• 
  Jung Soon Won

  Nam Ju Hyeok [Daehan Noodles section chief]

  Support Role
• 
  Park Jin Young

  Yoo Ba Bi / "Bobby"

  Support Role
• 
  Mi Ram

  Kang I Da [Yu Mi's coworker]

  Support Role
• 
  Yoon Hyun Gil

  Seo Yun U [Daehan Noodles department manager]

  Support Role

Guest Role

• 
  Choi Min Ho

  Chae U Gi [Yu Mi's coworker] (Ep. 1-2, 8, 10, 12, 14)

  Guest Role
• 
  Nam Da Nu

  Koo Ung [Young] (Ep. 2)

  Guest Role
• 
  Lee Ki Bbeum

  [Frog festival staff] (Ep. 3)

  Guest Role
• 
  Min Jae

  [Boutique employee] (Ep. 4)

  Guest Role
• 
  Hong Ru Hyeon

  [Julie Hotel phone rep.] (Ep. 6)

  Guest Role
• 
  Yang Ha Yoon

  [Julie Hotel receptionist] (Ep. 6)

  Guest Role
• 
  Lee Sang Yi

  Ji U Gi [Yu Mi's ex-boyfriend] (Ep. 7-8)

  Guest Role
• 
  Kim Hye In

  Hong Na Ri [Yu Mi's college friend] (Ep. 7-8)

  Guest Role
• 
  Park Yu Mi

  [Alumna] (Ep. 7-8)

  Guest Role
• 
  Moon Hye In

  [Alumna] (Ep. 7-8)

  Guest Role
• 
  Shim Hye Rim

  [Alumna] (Ep. 7-8)

  Guest Role
• 
  Jung Soo Ji

  Ko Si Yeon [Yu Mi's college friend] (Ep. 7-8, 14)

  Guest Role
• 
  Jeong Seo A

  Kim Yu Mi [Child] (Ep. 8)

  Guest Role
• 
  Park Bo Eun

  [Daehan Noodles Info Desk employee] (Ep. 8)

  Guest Role
• 
  Ahn Yeon Ji

  [Yu Mi's co-worker] (Ep. 9)

  Guest Role
• 
  Seo Jung Bin

  [Yu Mi's co-worker] (Ep. 9)

  Guest Role
• 
  Yun Yu Sun

  [Yu Mi's mother] (Ep. 10, 14)

  Guest Role
• 
  Kang Chan Yang

  [Grocery store cashier] (Ep. 11)

  Guest Role
• 
  Kim Mi Soo

  Ja Yeong (Ep. 12)

  Guest Role
• 
  Kim Cha Yoon

  Lee Bonnie [Yu Mi's co-worker] (Ep. 12-14)

  Guest Role
• 
  Kwon Seung Woo

  Kang Han Byeol [Yu Mi's coworker] (Ep. 12, 14)

  Guest Role
• 
  Jo Mo Se

  [Wedding guest] (Ep. 13)

  Guest Role
• 
  Choi Hui Seung

  [Wedding guest] (Ep. 13)

  Guest Role
• 
  Jeong Yoon Hee

  [Furniture saleswoman] (Ep. 13)

  Guest Role
• 
  Sung Ji Ru

  [Yu Mi's father] (Ep. 14)

  Guest Role

Voice Actor

• 
  Ahn Soy

  [Yu Mi's Love, Cheapskate, & Reaction Doll Cells]

  Voice Actor
• 
  Park Ji Yoon

  [Yu Mi's Emotional Cell]

  Voice Actor
• 
  Shim Kyu Hyuk

  [Yu Mi's Rational & Stomach Cells]

  Voice Actor
• 
  Lee Jang Won

  [Yu Mi's Hunger Cell]

  Voice Actor
• 
  Ahn Young Mi

  [Yu Mi's Naughty Cell]

  Voice Actor
• 
  Jeong Jae Heon

  [Yu Mi's Detective, Rampage, & Lullaby Cells]

  Voice Actor
• 
  Kim Yeon Woo

  [Yu Mi's Fashion Cell]

  Voice Actor
• 
  Eom Sang Hyeon

  [Yu Mi's Hysteria Cell]

  Voice Actor
• 
  Sa Moon Yeong

  [Yu Mi's Anxiety, Inner Feeling, & Fussy Cells]

  Voice Actor

Unknown

• 
  Lee Eui Ryung Unknown