Claudia Kim

as Ko Hye-seok (1 episode)

as Wang-hee (14 episodes)

as Ji-soo

as Bok Dong-hee (12 episodes)

as Maeda (11 episodes)

as Self (1 episode)

as Eugene Hathaway (16 episodes)

as Self (3 episodes)

as Nagini

as Self (2 episodes)

as Arra Champignon

as Yoo Sung-Ae (50 episodes)

as Voice of The Collective

as Dr. Helen Cho

as Khutulun (20 episodes)

as Mi-rae (20 episodes)

as Kim Soo-hyun (113 episodes)

as Jang Yoo-jin (20 episodes)

as Hwang Joo-won (20 episodes)

as Sophie (20 episodes)

as Park Joo-won (20 episodes)

as Self (3 episodes)

as Self (5 episodes)