Han Tae Sul (16 episodes, 2021)
Kang Seo Hae (16 episodes, 2021)
Flight Attendant / various (16 episodes, 2021)
Additional voices (16 episodes, 2021)
Member of Control Bureau (16 episodes, 2021)
Edward 'Eddy' Kim (15 episodes, 2021)
Kim Seo Jin (14 episodes, 2021)
President Park (14 episodes, 2021)
Kang Dong Ki (14 episodes, 2021)
Choi Jae Sun (12 episodes, 2021)
Hwang Hyun Seung (12 episodes, 2021)
Uhm Seon Ho (12 episodes, 2021)
Bing Bing (11 episodes, 2021)
Sigma (11 episodes, 2021)
Uhm Seon Jae (11 episodes, 2021)
Han Tae San (10 episodes, 2021)
Jung Hyeon Gi (10 episodes, 2021)
Kwon Hyuk Bum (10 episodes, 2021)
(9 episodes, 2021)
Ma Yong Suk (8 episodes, 2021)
Young Seo-Hae (7 episodes, 2021)
Lee Eun Hee (7 episodes, 2021)
Choi Yeon Shik (7 episodes, 2021)
Kang Seo Hae (young) (7 episodes, 2021)
Kim Han Yong (6 episodes, 2021)
Yeo Bong Seon (6 episodes, 2021)
Han Tae Sul (young) (5 episodes, 2021)
Sigma Officer (4 episodes, 2021)
Choi Go Eun (3 episodes, 2021)
Kim Han Yong's wife (3 episodes, 2021)
Kim Dong Hyeon (2 episodes, 2021)
Seo Won Ju (2 episodes, 2021)
Han Tae San (young) (2 episodes, 2021)
Chinese restaurant owner (2 episodes, 2021)
Choi Jae Sun's mother (2 episodes, 2021)
Bully (1 episode, 2021)
Copilot (1 episode, 2021)
Yu-Rim (1 episode, 2021)
Jung Hyeon Gi's mother (1 episode, 2021)
Sun's landlord (1 episode, 2021)
Flight attendant (1 episode, 2021)
Co-pilot (1 episode, 2021)
Jin Hee (1 episode, 2021)
Seo Won Ju / Young Sigma (1 episode, 2021)
Kim Jin Hui (1 episode, 2021)
