Park Shi Ohn (20 episodes, 2013)
Cha Yoon Seo (20 episodes, 2013)
Kim Do Han (20 episodes, 2013)
Yoo Chae-Kyung (20 episodes, 2013)
Choi Woo-Seok (20 episodes, 2013)
Kang Hyun-Tae (20 episodes, 2013)
Lee Yeo-Won (20 episodes, 2013)
Han Jin Wook (2013) (20 episodes, 2013)
Nam Joo-Yeon (20 episodes, 2013)
Oh Kyung-Joo (20 episodes, 2013)
Chairman Jung (20 episodes, 2013)
Kim Jae-Jun (20 episodes, 2013)
Ko Choong-Man (20 episodes, 2013)
Na In-Young (20 episodes, 2013)
Kim Sun-Joo (20 episodes, 2013)
Park Choon-Sung (20 episodes, 2013)
Lee Hyuk-Pil (20 episodes, 2013)
Hong Kil Nam (2013) (20 episodes, 2013)
Kyu Hyun's mother (4 episodes, 2013)
Lee Soo-Jin (3 episodes, 2013)
Na In Hae (1 episode, 2013)
Lee Soo-jin's husband (1 episode, 2013)
Byung Soo (2013) (unknown episodes)
Kyu Hyun (2013) (unknown episodes)