Plot: Jung Je-yun searches for a link between the royal physician's murder and Yul's disappearance. Hong-sim puts Won-deuk to work to repay his debt
Cast
Doh Kyung-sooCrown Prince Lee Yool / Won-deukDoh Kyung-soo was 25 in 100 Days My Prince - Season 1 - The Newlywed Couple in Debt (Episode 4).
Birthday: Tue, Jan 12 1993
Nam Ji-hyunHong-sim / Yoon Yi-seoNam Ji-hyun was 23 in 100 Days My Prince - Season 1 - The Newlywed Couple in Debt (Episode 4).
Birthday: Sun, Sep 17 1995
Cho Seong-haKim Cha-eonCho Seong-ha was 52 in 100 Days My Prince - Season 1 - The Newlywed Couple in Debt (Episode 4).
Birthday: Mon, Aug 08 1966
Jo Han-chulKingJo Han-chul was 45 in 100 Days My Prince - Season 1 - The Newlywed Couple in Debt (Episode 4).
Birthday: Sun, May 13 1973
Oh Yeon-ahQueen ParkOh Yeon-ah was 36 in 100 Days My Prince - Season 1 - The Newlywed Couple in Debt (Episode 4).
Birthday: Tue, Dec 01 1981
Ji Min-hyukPrince Seo-wonJi Min-hyuk was 16 in 100 Days My Prince - Season 1 - The Newlywed Couple in Debt (Episode 4).
Birthday: Sun, Sep 23 2001
Kim Seon-hoJung Je-yoonKim Seon-ho was 32 in 100 Days My Prince - Season 1 - The Newlywed Couple in Debt (Episode 4).
Birthday: Thu, May 08 1986
Jung Hae-kyunHong-sim's StepfatherJung Hae-kyun was 50 in 100 Days My Prince - Season 1 - The Newlywed Couple in Debt (Episode 4).
Birthday: Fri, Aug 16 1968
Han So-heeKim So-hyeHan So-hee was 24 in 100 Days My Prince - Season 1 - The Newlywed Couple in Debt (Episode 4).
Birthday: Thu, Nov 18 1993
Heo Jung-minKim Soo-JiHeo Jung-min was 35 in 100 Days My Prince - Season 1 - The Newlywed Couple in Debt (Episode 4).
Birthday: Thu, Nov 11 1982
Kim Jae-youngMoo-yeonKim Jae-young was 29 in 100 Days My Prince - Season 1 - The Newlywed Couple in Debt (Episode 4).
Birthday: Fri, Sep 30 1988
Jo Hyun-sikEunuch YangJo Hyun-sik was 35 in 100 Days My Prince - Season 1 - The Newlywed Couple in Debt (Episode 4).
Birthday: Sun, Mar 13 1983
Ahn Suk-hwanLord Park Sun-doAhn Suk-hwan was 58 in 100 Days My Prince - Season 1 - The Newlywed Couple in Debt (Episode 4).
Birthday: Sun, Nov 01 1959
Kim Ki-dooGoo-dolKim Ki-doo was 35 in 100 Days My Prince - Season 1 - The Newlywed Couple in Debt (Episode 4).
Birthday: Mon, Oct 25 1982
Lee Min-jiKkeut-NyeoLee Min-ji was 29 in 100 Days My Prince - Season 1 - The Newlywed Couple in Debt (Episode 4).
Birthday: Tue, Nov 01 1988
Lee Jun-hyeokPark Bok-eunLee Jun-hyeok was 46 in 100 Days My Prince - Season 1 - The Newlywed Couple in Debt (Episode 4).
Birthday: Sun, Mar 19 1972
Jung Ji-hoonYoung Lee YoolJung Ji-hoon was 11 in 100 Days My Prince - Season 1 - The Newlywed Couple in Debt (Episode 4).
Birthday: Thu, May 31 2007
Heo Jung-eunYoung Hong-sim / Yoon Yi-seoHeo Jung-eun was 11 in 100 Days My Prince - Season 1 - The Newlywed Couple in Debt (Episode 4).
Birthday: Fri, Sep 14 2007
Jeong Joon-wonYoung Yoon Seok-haJeong Joon-won was 14 in 100 Days My Prince - Season 1 - The Newlywed Couple in Debt (Episode 4).
Birthday: Mon, Jul 26 2004
Do Ji-hanDong-jooDo Ji-han was 26 in 100 Days My Prince - Season 1 - The Newlywed Couple in Debt (Episode 4).
Birthday: Tue, Sep 24 1991