Dong-eun (played by Yoon Je-moon) is a protagonist in Galaxies.
Eun-soo (played by Kim Ji-hoon) appears in Galaxies.
Eun-ha (played by Lee Shi-a) appears in Galaxies.
Ki-ryong (played by Cho Dong-hyuk) appears in Galaxies.
Landlord (played by Jeong Ae-hwa) appears in Galaxies.
