Family: The Unbreakable Bond

Family: The Unbreakable Bond is a 2023 South Korean television series directed by Jang Jeong-do, starring Jang Hyuk, Jang Na-ra, Chae Jung-an, and Kim Nam-hee. It aired from April 17 to May 23, 2023, on tvN's Mondays and Tuesdays at 20:50 (KST). It is also available for streaming on Disney+ in selected regions.

Synopsis
The series tells the story of Kwon Do-hoon (Jang Hyuk) who is a NIS black agent husband who disguises himself as an ordinary office worker and Kang Yoo-ra (Jang Na-ra), a sweet and fierce wife who dreams of a perfect family.

Main

 * Jang Hyuk as Kwon Do-hoon (43 yo): Kang Yu-ra's husband, who is a black agent of the National Intelligence Service who disguises himself as an employee of a trading company.
 * Jang Na-ra as Kang Yu-ra (37 yo): Do-hoon's wife who dreams of a normal yet perfect family.
 * Chae Jung-an as Oh Chun-ryun (43 yo): a professional NIS operative who is also Do-hoon's manager in the trading company.
 * Kim Nam-hee as Cho Tae-gu (39 yo): a suspicious uninvited guest who visited the families of Do-hoon and Yu-ra.

Do-hoon's family

 * Lee Soon-jae as Kwon Woong-soo (80 yo): Do-hoon's father.
 * Shin Soo-ah as Kwon Min-seo (8 yo): Do-hoon and Yu-ra's daughter.
 * Kim Kang-min as Kwon Ji-hoon (28 yo): Do-hoon's younger brother.
 * Yoon Sang-jeong as Lee Mi-rim (26 yo): Ji-hoon's wife.

Do-hoon's colleagues

 * Lee Joo-won as Lim Jae-yeol (43 yo): Do-hoon's colleague and friend, who is also a black agent.
 * Lee Chae-young as Yoon Chae-ri (36 yo): Jae-yeol's ex-wife. She has excellent foreign language skills in information collection and espionage work.
 * Gabee as Ma Young-ji (29 yo): Do-hoon's team brain.

Others

 * Bruno Bruni Jr. as Thomas Wolfe
 * Lee Mi-sook as Ma Yeon-rim, Butterfly

Special appearances

 * Cha Tae-hyun as Mr Cha, bakery shop owner
 * Choo Sung-hoon as Koo In-bo
 * Lee Ju-myoung as Shadow
 * Choi Young-joon as Musa

Production
The series marked the fourth project together between actor Jang Hyuk and actress Jang Na-ra after Successful Story of a Bright Girl (2002), You Are My Destiny (2014) and MBC Drama Festival: Old Goodbye (2014).