Characters:

THE ROYAL BLOODLINE:

Jo Hyeon Jae as Prince Yi Jungmin

-Eldest son of Prince Yi Seok, he is the apparent heir to the throne, the eldest among his siblings, his father wants to bring back the monarchy to Korea.

Lee Yo Won as Princess Yi Min

-wife of Prince Jungmin, daughter of an influential korean businessman.

Minhyuk as Prince Yi Minhyuk/ Yi Hyuk

-the eldest son of Prince Jungmin, Hyun's twin brother.

Seohyun as Princess Yi Joohyun/ Yi Hyun

-the eldest daughter of Prince Jungmin, Hyuk's twin sister.

Suzy as Princess Yi Suji

-the youngest daughter of Prince Jungmin.

Baekho as Prince Yi Baekho

-Prince Jungmin's youngest son.

Lee Junki as Prince Yi Junki

-Prince Jungmin's brother, he has secret motives for his brother.

Noori as Prince Yi Inoh

-a scheming prince like his father, Junki. he is mean towards his cousins.

-Sujin's boyfriend, friends with DO, Peniel, Aron and Daehyun.

Minhyun as Prince Yi Minhyun

-son of Junki, he is unlike his father who is somehow mean, he is nice and friendly.

THE JUNGS:

Jessica as Jung Soojung/ Jessica Jung

-a korean socialite.

Jaejoong as Jung Jaejoong/ Hero Jung

-Jessica's older brother.

Lee Jonghyun as Jung Jonghyun

-second son among the Jung siblings.

L as Jung Myungsoo/ L Jung

-third son among the Jung siblings, in love with Princess Suji.

Krystal as Jung Soojung/ Krystal Jung

-youngest among the Jung siblings, Princess Suji's best friend.

Sehun as Oh Sehun

-Soojung's boyfriend.

THE ZHANGS:

Lay as Zhang Yixing/ Lay

-his great grandfather, Puyi was the last Chinese Emperor. he was born in the states due to the One-Child Policy in China, he has Hemophilia, a dicease of the blood, he is one of Princess Hyun's suitors.

Fei as Zhang Fei/ Im Fei

-Yixing's older sister, now living in Korea with her Korean husband named Im Seulong. she was the reason Yixing went to Korea, he visited his sister's new home.

Seulong as Im Seulong

-an idol, former member of 2AM, he met Fei when they were promoting in China.

THE PRINCESSES' SUITORS:

Princess Hyun's suitors:

Kim JoonMyun (Suho)

Zhang Yixing (Lay)

Jung Jinwoon

Son Dongwoon

Princess Suji's suitors:

Jung Myungsoo

Shin Donggeun (Peniel)

Lee Sungyeol

Choi Jongin/ Kai

OTHER CHARACTERS:

Ren as Choi Minji

-Prince Baekho's girlfriend, she is pretty and delicate.

Taemin as Choi Taeyeon

-Minji's eldest sister, theprotective sister.

Sungjong as Choi Sujin

-Minji's Unnie, she is also as pretty as Minji, she is a playgirl.

Zelo as Choi Junhong/ Zelo Choi

-Minji's youngest sibling, a brother.

Kai as Choi Jongin

-Minji's oldest Oppa, Taeyeon's twin brother, will court Suji, he is a spoiled brat so that's why Suji doesn't like him.

THE ROYAL STAFFS:

Chansung as Princess Hyun's personal bodyguard

-over-protective over Seohyun, treats Seohyun as his own sister.

Jungshin as the Yi Family's personal chef

-can create masterpieces using food, he is close to Baekho because food is Baekho's favorite things.

Jinwoon as Princess Suji's personal bodyguard

-kind and funny, he jives with Suji's personality very well.

Nichkhun as Prince Baekho's personal bodyguard

-close towards Baekho, treats Baekho his bestfriend.

Doojoon as Prince Minhyuk's personal bodyguard

-he was Minhyuk's playmate when they were little, he grew up with the Yi family, he offered to guard Minhyuk without any rewards whatsoever. he is Minhyuk's bestfriend/bodyguard.

Prince Hyuk's circle of friends:

Lee Jonghyun

Lee Jungshin

Lee Jaejin

Lee Minhyuk

Princess Hyun's circle of friends:

Hara Goo

Nicole Jung

Jessica Jung

Summer Choi (Choi Sooyoung)

Kim Hyoyeon

Princess Suji's friends:

Krystal Jung

Sulli Choi

Kang Jiyoung

Kwon Sohyun

Park Jiyeon

Prince Baekho's friends:

JR Kim

Im Jaebum/ JB

Park Jinyoung/ Junior

Yook Sungjae

Moon Jongup

Yi Minhyun

Choi Jonghyun/ Changjo