My Holo Love cast is including:
Kim Soo-jin as Nan-do's mother (12 episodes), Yoon Hyun-min as Ko Nan-do / Holo (12 episodes), Ko Sung-hee as Han So-yeon (12 episodes), Choi Yeo-jin as Ko Yoo-jin (12 episodes), Hwang Chan-sung as Baek Chan-sung (12 episodes), Lee Jung-eun as So-yeon's mother (12 episodes), Kang Seung-hyun as Yoo Ram [Stewardess / So Yeon's friend] (12 episodes), Son Jong-hak as Nam Gi Ho [IT crimes Detective] (12 episodes), Jung Young-ki as Jo Jin Seok [Senior Programmer, GIO Labs] (12 episodes), Jeong Yeon-joo as Ji Na [Detective] (12 episodes), Nam Myung-ryeol as Baek Nam Gyu [Chan Sung's father / Company president] (12 episodes), Jeong Do-won as Mr. Jeong [Chan Sung's aide] (12 episodes)