- Lee Sung-wook - Choi Moo-Ja
- ??? - Lee Woo-Taek
- ??? - Heo Young-ran
- Kim Won-hae - Park Tae-Hee
- Ha Ji-eun - Shi Je-In
- Kim Jun-won - Mo Jung-Hoon
- ??? - Mr. Jang
- Choi Won-young - Han Jae Young [Yeo Reum's father]
- Kim Ha-yeon - Han Yeo Reum [Young]
- Kim Dae-gun - Kim Geon Yoo [Schizophrenia passenger]
- Lee Hyun-kyun - Mr. Lee [AB Airline's manager]
- Bret Allan Lindquist - Co-pilot
- Kim Woo Jin - Rude man
- Noreen Joyce Guerra - Airport staff
- Lee Won Hee - Air traffic controller
- Cha Seung-yeon - Manager of KR Airlines
- Mi Ram - Congressman's daughter
- Lee Su-ryeon - Flight controller
- Yoon Sa-bong - Smuggler
- Suh Dong-hyun - Smuggler's son
- Ejay Falcon - Ian Santos [Filipino passenger]
- Lauren Young - Filipino pregnant lady
- Kim Yeo-jin - Yoon Hye Won [Yeo Reum's mother}
- Kim Yoon-joo - Flower artist
- Joey Albright - Drug smuggler
- Joo Byeong-ha - Young adult passenger
- Yun Ji-on - Security check employee
- ??? - Sales clerk
- Bae Noo-ri - Oh Min Jung [Yeo Reum's high school bully]
- Ahn Chang-hwan - Airport staff's abusive ex
- Park Seo-yeon - Gong So Hee [Seung Cheol's daughter]
- ??? - Oh Dae-Ki's mother
- Kim Mi-hye - Ms. Seon [Flight attendant]
- Jang Hae-min - Soo Bin [Delayed flight passenger]
- Moon Hak-Jin - [Reporter]
- Shin Woo-chul
- Kang Eun-kyung
- Lim Hye-min
- Son Ki-won
??? hace el papel de Lee Soo-Yeon.
??? interpreta a Han Yeo-Reum en la serie.
??? interpreta a Seo In-Woo en la serie.
??? interpreta a Yang Seo-Koon en la serie.
??? hace el papel de Oh Dae-Ki.
??? interpreta a Na Young-Joo en la serie.
Rowoon interpreta a Ko Eun-Sub en la serie.
Ahn Sang-woo interpreta a Kong Seung-Cheol en la serie.
Hyeon-seong Jang interpreta a Kwon Hee-Seung en la serie.
Lee Sung-wook hace el papel de Choi Moo-Ja.
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