Plot: Believing Chairman Choi to be gone for good, Daehan Group must decide upon a new successor. Choi Shin Hyung decides to take matters into his own hands, and Dae Han copes with his father's departure
Cast
Shin Ha-kyunChairman Choi Go Bong / Choi Shin HyungShin Ha-kyun was 40 in Mr. Back - Season 1 - Episode 4 (Episode 4).
Birthday: Thu, May 30 1974
Jang Na-raEun Ha SooJang Na-ra was 33 in Mr. Back - Season 1 - Episode 4 (Episode 4).
Birthday: Wed, Mar 18 1981
Lee JoonChoi Dae HanLee Joon was 26 in Mr. Back - Season 1 - Episode 4 (Episode 4).
Birthday: Sun, Feb 07 1988
Jung Suk-wonDirector Jung Yi GunJung Suk-won was 29 in Mr. Back - Season 1 - Episode 4 (Episode 4).
Birthday: Thu, May 16 1985
Park Ye-jinManager Hong Ji YoonPark Ye-jin was 33 in Mr. Back - Season 1 - Episode 4 (Episode 4).
Birthday: Wed, Apr 01 1981
Hwang Bo-raYoo Nan HeeHwang Bo-ra was 31 in Mr. Back - Season 1 - Episode 4 (Episode 4).
Birthday: Sun, Oct 02 1983
Jeon Kuk-hwanChoi Young DalJeon Kuk-hwan was 62 in Mr. Back - Season 1 - Episode 4 (Episode 4).
Birthday: Mon, Jul 21 1952
Lee Mi-doSon Woo YoungLee Mi-do was 32 in Mr. Back - Season 1 - Episode 4 (Episode 4).
Birthday: Tue, May 25 1982
Kim Ye-joonChoi Dae Han (Young)Kim Ye-joon was 7 in Mr. Back - Season 1 - Episode 4 (Episode 4).
Birthday: Sat, Apr 28 2007
Choi Sung-heeG-cup womanChoi Sung-hee was 27 in Mr. Back - Season 1 - Episode 4 (Episode 4).
Birthday: Sat, Oct 10 1987