Ja Myung Go

Jung Ryeo-won as Princess Ja-myung / Puku, daughter of Mo Ha-so

Lee Young-yoo as child Ja-myung

Jung Kyung-ho as Prince Hodong, son of Daemusin and Arang of Buyeo

Yeo Jin-goo as teenage Hodong

Kang Soo-han as child Hodong

Park Min-young as Princess Ra-hee, Princess of Nakrang, daughter of Wang Ja-shil

Jin Ji-hee as child Ra-hee

Lee Mi-sook as Wang Ja-shil, Ra-hee's mother, Wang Goeng's sister, Choi Ri's second wife

Sung Hyun-ah as Song Maeseolsu, Goguryeo's queen, Daemusin's second wife

Kim Sung-ryung as Mo Ha-so, Ja-myung's mother, Choi Ri's first wife

Hong Yo-seob as Choi Ri, Commander of Nakrang, Ja-myung and Ra-hee's father

Moon Sung-keun as Daemusin, Third king of Goguryeo, born Muhyul

Lee Joo-hyeon as Wang Hol, Great general of Nakrang, younger brother of Wang Goeng and Wang Ja-shil

Park Gun-woo as young Wang Hol

Yeo Uk-hwan as Il-poom / Haengkai, son of Dal Gebi

Yoon Chan as child Il-poom

Go Soo-hee as Mo Yang-hye, Wang Goeng's wife

Lee Won-jong as Cha Cha-sung, Leader of the Happy Joy theater

Jo Mi-ryung as Mi-choo, Cha Cha-sung's wife

Park Hyo-joo as Chi-so, Wang Ja-shil's maid

Lee Han-wi as Woo Na-roo, Hodong's uncle, Yeo-rang's husband, great general of Goguryeo

Yoon Joo-sang as Song Ok-goo, Chief of Biryuna, father of Song Maeseolsu

Lee Yeong-beom as Eul Doo-ji, Hodong's mentor and jwabo (Left State Councilor)

Yoon Seo-hyeon as Tae Chul, Hodong's bodyguard

Kim Ga-yeon as Yeo-rang, Daemusin's sister, Hodong's aunt, Woo Na-roo's wife

Hwang Geum-hee as Dong Go-bi, Mo Ha-so's maid

Jo Kyeong-hoon as Ho-gok, Lelang inquisitor, Ja-myung's master of arms

Kim Hak-cheol as Boo Dal, Wang Goeng's batman.

Park Bong-seo as Ryoo-ji, soldier of the Choi Ri's company, later seungsang (highest minister)

Park Jung-woo as Choo Bal-so, Administrator of Goguryeo southern sector

Na Han-il as Wang Goeng, Leader of the Korean insurrection, Former Lelang right-jungrangjang.

Ahn Suk-hwan as Ja-mook, Lelang's astrologue

Park Hyeon-seo as Song Sujiryoon, Song Maeseolsu's cousin

Kang Ye-sol as So-so, child of the Happy Joy theater

Moon Ga-young as teen So-so

Park Ha-yeong as child So-so

Park Kyeong-hwan as Boo Toong, Son of Boo Dal

Jang Doo-yi as Do Chal, Wang Goeng's soldier

Lee Chang-jik as Yoo Heon (Liu Xian), Lelang viceroy

Lee Jang-won as Yoo Reung (Liu Ling), Minister of Rites of Emperor Guangwu of Han, nephew of Liu Xian

Jang Ji-yu as priestess

Park A-rong as Sool-yi, Song Maeseolsu's maid

Ji Il-joo as Jeom So-yi, Leader of the Xianbei, Simbeon tribe

Kim Hyung-mook as Song Gang, Eldest son of Song Ok-goo

Oh Eun-chan as Hae Ae-woo, Daemusin and Song Maeseolsu's son, Ho-dong's brother

Yoo Kyung-ah as Dal Ge-bi, Dong Go-bi's sister, Il-poom's mother

Kim So-hyun as Myo-ri