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
The One and Only (2021) streaming availability varies by region. Check Netflix, Prime Video, Disney+, and other major platforms.
The One and Only has 1 season and 16 episodes in total. The series has concluded.
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.
The One and Only (2021) was created by Moon Jung-min. Drama series with 1 season.
The One and Only is rated 6.9/10 by 23 viewers — decent with mixed reception.
