Lee Jeong-hwan - Male / Father of the daughter who became a zombie (Lee Su-a). Lee Su-a - Female / Zombie / Trained not to bite people / Lee Jeong-hwan's daughter. Kim Bam-sun - Female / Lee Jeong-hwan's mother / Lee Su-a's grandmother. Shin Yeon-hwa - Female / Middle school teacher / Lee Jeong-hwan's first love (currently a close friend). Jo Dong-bae - Male / Lee Jeong-hwan's longtime hometown friend / Pharmacist at the town pharmacy. Kim Ae-yong - The cat raised by Lee Jeong-hwan and Lee Su-a / Cries by saying 'Ae-yong!' (e.g., Ae~yong!) Guest - Family or friend / Otherwise free to choose (e.g., a cousin or Lee Jeong-hwan's son or daughter). Source: Ssampong-han Bi (Real-life friend)