Lee Je-hoon
Lee Soo-Yeon (32 eps)
Chae Soo-bin
Han Yeo-Reum (32 eps)
Lee Dong-gun
Seo In-Woo (32 eps)
Kim Ji-soo
Yang Seo-Koon (32 eps)
Kim Kyung-nam
Oh Dae-Ki (32 eps)
Lee Soo-kyung
Na Young-Joo (32 eps)
Rowoon
Ko Eun-Sub (32 eps)
Ahn Sang-woo
Kong Seung-Cheol (32 eps)
Jang Hyun-sung
Kwon Hee-Seung (32 eps)
Lee Seong-wook
Choi Moo-Ja (32 eps)
Jeong Jae-seong
Lee Woo-Taek (32 eps)
Hong Ji-min
Heo Young-ran (32 eps)
Kim Won-hae
Park Tae-Hee (32 eps)
Ha Ji-eun
Shi Je-In (32 eps)
Kim Jun-won
Mo Jung-Hoon (32 eps)
Park Hyeok-kwon
Mr. Jang (32 eps)
Choi Won-young
Han Jae Young [Yeo Reum's father] (32 eps)
Kim Ha-yeon
Han Yeo Reum [Young] (32 eps)
Kim Dae-gun
Kim Geon Yoo [Schizophrenia passenger] (32 eps)
Lee Hyun-kyun
Mr. Lee [AB Airline's manager] (32 eps)
Bret Allan Lindquist
Co-pilot (32 eps)
Kim Woo Jin
Rude man (32 eps)
Noreen Joyce Guerra
Airport staff (32 eps)
Lee Won Hee
Air traffic controller (32 eps)
Cha Seung-yeon
Manager of KR Airlines (32 eps)
Mi Ram
Congressman's daughter (32 eps)
Ahn Chang-hwan
Airport staff's abusive ex (6 eps)
Lee Su-ryeon
Flight controller (5 eps)
Kim Yeo-jin
Yoon Hye Won [Yeo Reum's mother} (4 eps)
Ejay Falcon
Ian Santos [Filipino passenger] (2 eps)
Lauren Young
Filipino pregnant lady (2 eps)
Im Won-hee
Sales clerk (2 eps)
Bae Noo-ri
Oh Min Jung [Yeo Reum's high school bully] (2 eps)
Park Seo-yeon
Gong So Hee [Seung Cheol's daughter] (2 eps)
Park Myung-shin
Oh Dae-Ki's mother (2 eps)
Yoon Sa-bong
Smuggler (1 eps)
Suh Dong-hyun
Smuggler's son (1 eps)
Kim Yoon Joo
Flower artist (1 eps)
Joey Albright
Drug smuggler (1 eps)
Joo Byeong-ha
Young adult passenger (1 eps)
Yun Ji-on
Security check employee (1 eps)
Kim Mi-hye
Ms. Seon [Flight attendant] (1 eps)
Jang Hae-min
Soo Bin [Delayed flight passenger] (1 eps)
Oh Tae Eun
Passenger who doesn't cry on the plane (1 eps)