Full cast of Mr. Plankton

Woo Do-hwan

Hae Jo

10 episodes

Lee You-mi

Jo Jae-mi

10 episodes

Oh Jung-se

Eo Heung

10 episodes

Kim Hae-sook

Beom Ho-ja

10 episodes

Kim Min-seok

Yoo Ki-ho 'Kkari'

10 episodes

Kim Soo-jin

Gal-ja

8 episodes

Alex Landi

John Na

8 episodes

Oh Dae-hwan

Wang Chil-sung

7 episodes

Lee El

Bong-suk

6 episodes

Lee Hae-yeong

Chae Young-jo

6 episodes

Kim Kyeong-il

Gong-soo

5 episodes

Park No-gyeong

Subordinate

5 episodes

Kim Si-woo

Child Chae Seung-hyuk

4 episodes

Jeong Seon-cheol

Eo Heung's Relative

4 episodes

Yun Hui-cheol

Eo Heung's Relative

4 episodes

Song You-hyun

Sung Hae-won

3 episodes

Lee Da-hee

Noh Yang-hee

2 episodes

Seong No-jin

Kim Dae-bong

2 episodes

Ahn Suk-hwan

Oh Man-soo

2 episodes

Park Ji-yeon

Eun-soo

2 episodes

Jeon Kwang-jin

Oh Man-soo's Son

2 episodes

Chun Myung-woo

Oh Man-soo's Son

2 episodes

Yoon Woon-yong

Oh Man-soo's Son

2 episodes

Kim Si-woo

Chae Seung-a

2 episodes

Jin Yong-uk

Perfect Gene Employee

2 episodes

Song Jae-ryong

Park Sung-shin

2 episodes

Kim Hyun-kyu

Kim Min-soo

2 episodes

Jeon Chi-hwa

Police Officer

2 episodes

Cho Han-cheul

Ko Jae-geun

2 episodes

Park Ha-joon

Teenage Chae Seung-hyuk

2 episodes

Kim Jeong-ho

Shin Myung-su

2 episodes

Ahn Chan-woong

Shin Myung-su's Secretary

2 episodes

Lee Sang-hee

Jo Jae-mi's Mother

2 episodes

Kim Do-hyeong

Hongcheon Husband

2 episodes

Kim Chan-hyung

Gangster

1 episode

Park Young-bok

Pro Laundry Owner

1 episode

Woo Jung-kook

Gangster

1 episode

Lee So-geum

Gangster

1 episode

Nam Mi-jung

Hospital Lobby Mom

1 episode

Shin Soo-jung

Jeweler Saleswoman

1 episode

Kim Sun-hoa

Kim Young-mi

1 episode

Kim Hee-su

Doctor

1 episode

Yun Bu-jin

Clothing Store Owner

1 episode

Won Choon-gyu

Businessman

1 episode

Lee Kwang-ik

Customs Officer

1 episode

Baek Ok-gyun

Train Passenger

1 episode

Jung Ma-rin

Train Passenger

1 episode

Kwak Soo-jeong

Fish Seller

1 episode

Yoon Jong-won

Fish Seller

1 episode

Park Soo-ah

Jo Jae-mi (Young)

1 episode

Nam Hee-soo

Adoptive Mother

1 episode

Oh Soo-hye

Blind Date

1 episode

Bae Yu-ra

Blind Date

1 episode

Choi Da-young

Nurse

1 episode

Mok Ji-su

Bong Sook's Employee

1 episode

Shin Min-soo

Taxi Driver

1 episode

Choi Ja-woon

Bathroom Boy

1 episode

Kaare Svejgaard Olsen

Tiblo Executive

1 episode

Hwang Jung-yoon

Debtor

1 episode

Jeon So-hyun

Market Vendor

1 episode

Jung Sae-byul

Aunt

1 episode

Lee Jae-woo

Aunt's Boyfriend

1 episode

Eom Hye-soo

Nurse

1 episode

Gu Do-gyun

Taxi Driver

1 episode

Shim Hye-rim

Cellphone Store Clerk

1 episode

Park Kwang-jae

Bong Sook's Employee

1 episode