- Namkoong Min (Lee Jang-hyun)
- Ahn Eun-jin (Yoo Gil-chae)
- Lee Hak-ju (Nam Yeon-jun)
- Lee Da-in (Kyung Eun-ae)
- Kim Yoon-woo (Ryang Eum)
- Ji Seung-hyun (Goo Won-moo)
- Park Jeong-yeon (Jong Jong-yi)
- Kwon So-hyun (Bang Doo-ne)
- Park Kang-seop (Goo-jam)
- Choi Mu-sung (Yang-cheon)
- Kim Jong-tae (King Injo)
- Kim Moo-joon (Crown Prince Sohyeon)
- Jeon Hye-won (Crown Princess Kang)
- Yang Hyun-min (Pyo Eon-kyeom)
- Kim Tae-hun (Choi Myeong-gil)
- Choi Jong-hwan (Kim Sang-heon)
- Kang Ha-kyung (Shin Yi-rip)
- Choi Young-woo (Ingguldai)
- Kim Jun-won (Hong Taiji)
- Kang Gil-woo (Jung Myung-soo)
- Oh Man-seok (Yoo Gyo-yeon)
- Cho Seung-yeon (Kyeong Geun-jik)
- Park Jong-wook (Gong Soon-yak)
- Park Eun-woo (Yoo Young-chae)
- Jung Han-yong (Song-chu)
- Nam Kee-ae (Yi-rang)
- Park Jin-woo (Park-dae)
- Jin Geon-woo (Dae-oh)
- Kim Ga-hee (Yoo-hwa)
- Kim Eun-soo (Joon-jeol)
- Ha Gyu-rim (Im-choon)
- Nam Tae-hoon (Tae-seong)
- Choi Su-geon (Jeong-yeon)
- Lee Chung-ah (Gak Hwa)
- Lee Tae-young (Choi Do Ri)
My Dearest — S1E20
Episode: Episode 20
Air Date: 2023-11-17
Runtime: 64 min
Overview
Jang-hyun finds out the Crown Prince left a letter for him. Gak-hwa looks for Jang-hyun at Gil-chae's house.