Overview
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.
Seasons & Episodes
Season 1
Key Information
Cast & Crew
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
Photos
Frequently Asked Questions
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 has 1 season with 16 episodes.
The One and Only premiered on December 20, 2021.
No, The One and Only has ended. The final episode aired on February 8, 2022.
The One and Only originally aired on JTBC. Check your local streaming services for availability.
The One and Only was created by Moon Jung-min.
The One and Only has a rating of 6.9/10 based on user reviews.
The One and Only is classified as Drama.