President Nam
Mr. Jung
Factory manager
Kang Chang-sik
Grandfather
New Seoul Medical Center Doctor
Second uncle
CEO Yoon
Vice-principal
Plaster cast old man
Park Se-moon
Gyu-Jung's father
Han-Deuk
President Choi
Military General
Department Head
Managing director Kim
Snake Hunter
Sun-yi's Father (uncredited)
Manager Jo Ryeon-So
Chief Cho
Local Historian
Park Sang-tae
His Excellency Song
Geon-sik
Host Uncle
PD Jang