Wang-hee (1 episode)

Ji-soo

(1 episode)

Bok Dong-hee (12 episodes)

Maeda (11 episodes)

Self (1 episode)

Eugene Hathaway (16 episodes)

Herself (3 episodes)

Herself (2 episodes)

Nagini

Arra Champignon

Yoo Sung-Ae (50 episodes)

Voice of The Collective

Dr. Helen Cho

Khutulun (20 episodes)

Mi-rae (20 episodes)

Kim Soo-hyun (113 episodes)

Jang Yoo-jin (20 episodes)

Hwang Joo-won (20 episodes)

Sophie (20 episodes)

Park Joo-won (20 episodes)

Herself (5 episodes)