Kim Tan (20 episodes, 2013)
Cha Eun Sang (20 episodes, 2013)
Choi Young Do (20 episodes, 2013)
Rachel Yoo (20 episodes, 2013)
Kim Won (20 episodes, 2013)
Park Hui Nam (20 episodes, 2013)
Han Ki-ae (20 episodes, 2013)
Yoon Jae Ho (20 episodes, 2013)
Lee Bo Na (20 episodes, 2013)
Yoon Chan Young (20 episodes, 2013)
Jo Myung Soo (11 episodes, 2013)
Lee Hyo-Shin (11 episodes, 2013)
Esther Lee (11 episodes, 2013)
Jung Ji Sook (10 episodes, 2013)
Kim Nam Yoon (8 episodes, 2013)
Choi Dong Wook (7 episodes, 2013)
Jeon Hyun Joo (7 episodes, 2013)
Kang Ye Seol (7 episodes, 2013)
young Kim Tan (5 episodes, 2013)
Jay (4 episodes, 2013)
Joon Young / Bullied kid (4 episodes, 2013)
young Choi Young Do (4 episodes, 2013)
Tammy (3 episodes, 2013)
Chris (2 episodes, 2013)
Kim Tan (young) (2 episodes, 2013)
Prof. John S. Keating (1 episode, 2013)
Tammy's BF's Friend (1 episode, 2013)
Cha Eun Suk (2 episodes, 2013)
Self (1 episode, 2013)
Hotel Manager (1 episode, 2013)
Bo Na's brother (1 episode, 2013)
Tammy's BF (1 episode, 2013)
Mr. Paul (1 episode, 2013)
Attorney-general (1 episode, 2013)
Restaurant Manager (1 episode, 2013)
Scary Hoodlum (1 episode, 2013)
Scary Kid #1 (1 episode, 2013)
Girlfriend (1 episode, 2013)
Scummy Bar Patron (1 episode, 2013)
Young Restaurant Patron (1 episode, 2013)
College Student (1 episode, 2013)