Pemeran Yumi's Cells Season 3

Kim Go Eun (김고은)

as Kim Yu Mi

Pemeran Utama

Kim Jae Won (김재원)

as Sin Sun Rok

Pemeran Utama

Jeon Seok Ho

as An Dae Yong [Julie Literature editor-in-chief]

Pemeran Pembantu

Choi Daniel

as Kim Ju Ho [Julie Literature representative writer]

Pemeran Pembantu

Cho Hye Jung

as Baek Na Hui [Yu Mi’s assistant writer]

Pemeran Pembantu

Mi Ram

as Kang I Da [Dae Yong’s wife]

Pemeran Pembantu

Park Se In

as Jang Su Hye [PD / Yu Mi’s superior]

Pemeran Pembantu

Kim Sun Yool

as Kim Su Jin (Ep. 1)

Bintang Tamu

Lee Jong Goo

as [Neighborhood man] (Ep. 1)

Bintang Tamu

Lee Yoo Bi

as Lee Ruby (Ep. 1-2)

Bintang Tamu

Sung Ji Ru

as Kim Man Sik [Yu Mi’s father] (Ep. 1, 8)

Bintang Tamu

Jung Soon Won

as Nam Ju Hyeok (Ep. 2)

Bintang Tamu

Kim Han Soo

as [Dinner attendee] (Ep. 4)

Bintang Tamu

Kim Yoon Joo

as Isabelle (Ep. 4-5)

Bintang Tamu

Jeon So Young

as Jenny (Ep. 5)

Bintang Tamu

Jang Eun Seo

as [Hotel staff] (Ep. 5)

Bintang Tamu

Ahn Bo Hyun (안보현)

as Koo Ung (Ep. 8)

Bintang Tamu

Park Jin Young (박진영)

as Yoo Ba Bi (Ep. 8)

Bintang Tamu

Ahn Soo Bin

as [Jewelry saleswoman] (Ep. 8)

Bintang Tamu

Lee Sang Yeob

Sutradara

Song Jae Jung

Screenwriter

Kim Kyung Ran

Screenwriter

Jung Hyung Suk

as  [Sun Rok’s Naughty cell]

Voice Actor