The One and Only
A contract killer gets entangled with a murder case and three terminally ill women who have each decided to end the life of one person before they die.
6.6(21 votes)
First Air Date: December 20, 2021
Last Air Date: February 8, 2022
Seasons: 1
Episodes: 16
Language: KO
Ahn Eun-jin
Pyo In-sook
Kim Kyung-nam
Min Woo-cheon
Moon Seong-hyun
Min Woo-Cheon (teen)
Kang Ye-won
Kang Se-yeon
JOY
Sung Mi-do
Goh Doo-shim
Yook Sung-ja
Jang Hyun-sung
Pyo Gang-Sun
Seo Yeon-woo
Ha San-A
Ahn Chang-hwan
Shin Tae-il
Choi Young-woo
Park Seung Seon
Han Kyun-yu
Gu Ji-pyo
Do Sang-woo
Cho Shi-young
Lee Bong-ryeon
Hwang Ma-Jin
Jang In-sub
Oh Jin-kyu
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