Vampire Idol

Main characters

• Lee Jung as Prince (Wang-ja)

He gets everything perfect: appearance, character, talent, and attitude. But only when he is the prince of Vampire planet, on Earth he is considered the exact opposite and hated on for being "unattractive."

• Kang Min-kyung as Min-Kyung

19 years old. She works as a road manager in the talent agency. Later she becomes the vocalist in a girl group. ^{[citation needed]}

• Shin Dong-yup as Dong-yup

Manager of a talent agency. He's in charge of Vampire Voice. ^{[citation needed]} Everything he says is a lie and he's very good at it.

• Kim Soo-mi as Soo-mi
  • Song Soo-hyun as young Soo-mi

61 years old. She works for the talent agency and is in charge of providing meals in the boarding house for the members of Vampire Voice.

• Lee Soo-hyuk as Soo-hyuk/Mukadil Paejua^[2]

He is one of Prince's servants. He is the vocalist of Vampire Voice ^{[citation needed]} and also plays the guitar and drums. He has a serious personality and is very vampire-like, always craving blood.

• Kim Woo-bin as Woo-bin/Gabri Rates

He is one of Prince's servants. He has super-sharp hearing.

• Hong Jong-hyun as Jong-hyun/Yariru Genius

He is a genius with an IQ of 790. He is also very socially awkward.

Supporting characters

• Hwang Kwang-hee as Kwang-hee^[3]
• Bang Min-ah as Min-ah
• Chun Woo-hee as Woo-hee
• Kim Soo-yeon as Soo-yeon
• Lee Yu-bi as Yu-bi
• Oh Kwang-rok as Kwang-rok
• Kim Dong-soo as Dong-soo
• Kim Sook as Oh Sook/Jenny
• Don Spike as Teacher Don
• Oh Hee-joon as Kwang-hee's manager
• Lee Hae-in as Hae-in
• Kim Sung-hoon

Cameo appearances

• Kim Wan-sun as Do Woo-mi
• Jay Park as J^[4]
• Lee Eui-jung
• Jung Hee-chul as himself (ep.07)
• Moon Joon-young as himself (ep. 07) ^{[5][unreliable source?]}