ACTORI
- Min-Ho Lee
Kim Tan - Park Shin-hye
Cha Eun-sang - Woo-Bin Kim
Choi Yeong-do - Choi Jin-hyuk
Kim Won - Krystal Jung
Lee Bo-na - Kim Ji-Won
Rachel Yoo - Kang Min-hyuk
Yoon Chan-yeong - Kang Ha-Neul
Lee Hyo-sin - Hyung-shik Park
Jo Myeong-soo - Jun Soo Jin
Kang Ye-sol - Sung-ryung Kim
Han Ki-ae - Mi-kyung Kim
Park Hee-nam - Jung Dong-hwan
Kim Nam-yoon - Choi Wonyoung
Yoon Jae-ho - Park Joon-geum
Jeong Ji-sook - Yoon Son-ha
Esther Lee - Jin-ho Choi
Choi Dong-wook - Hwang Bo-mi
Kang Han-na - Lim Ju-Eun
Jeon Hyeon-joo - Yoon-woo Jo
Moon Joon-yeong - Jung Chan-woo
Young Kim Tan - Aaron Groben
Jay - Yang Hyun-mo
Young Choi Yeong-do - Jenna Bryant
Tammy - Michael McLafferty
Chris - Jin-Seo Yoon
Cha Eun-seok - Jin-seo Jun
Young Kim Tan - Baek Seung-hyun
Secretary Jeong - Dean Dawson
Prof. John S. Keating - Mel Powell
Mr. Paul - Farley Jackson
Tammy's BF's Friend - Alex Denney
Tammy's BF - Steven T. Bartlett
Hotel Manager - Lee Hyun-jin
Lee Bo-na's Brother - Kim Heechul
Kim Heechul - Tara Phillips
Girlfriend - David Jason Perez
Scary Hoodlum - Won-joong Jung
Lee Chang-hyeok - Lauren North
Young Restaurant Patron - Joseph Dowd
Scummy Bar Patron