Cast and Crew in K Pop Star - Season 4 - Episode 21

Yang Hyun-suk
Self - JudgeYang Hyun-suk was 45 in K Pop Star - Season 4 - Episode 21 (Episode 21).

Birthday: Fri, Jan 09 1970

Park Jin-young
Self - JudgePark Jin-young was 42 in K Pop Star - Season 4 - Episode 21 (Episode 21).

Birthday: Wed, Dec 13 1972

You Hee-yeol
Self - JudgeYou Hee-yeol was 43 in K Pop Star - Season 4 - Episode 21 (Episode 21).

Birthday: Mon, Apr 19 1971

Jeon Hyun-moo
Self - HostJeon Hyun-moo was 37 in K Pop Star - Season 4 - Episode 21 (Episode 21).

Birthday: Mon, Nov 07 1977

Jung Seung-hwan
Self - ContestantJung Seung-hwan was 18 in K Pop Star - Season 4 - Episode 21 (Episode 21).

Birthday: Wed, Aug 21 1996

Lee Jin-ah
Self - ContestantLee Jin-ah was 24 in K Pop Star - Season 4 - Episode 21 (Episode 21).

Birthday: Sat, Mar 16 1991