Main Characters
• Mok Sol Hee (Kim So Hyun) - Liar Hunter
• Kim Do Ha (Hwang Min Hyun) - Composer and Producer | Suspect of a murder case
Supporting Characters
• Lee Kang Min (Seo Ji Hoon) - Police Detective | Ex-boyfriend of Sol Hee
• Sha On (Lee Si Woo) - Singer | Has one-sided love on Do Ha
• Cho Deuk Chan (Yun Ji On) - CEO of J Entertainment | Close friend of Do Ha
• Baek Chi Hoon (Ha Jung Woo) - Bodyguard and Driver of Sol Hee | Fan of Sha On
• Cassandra (Park Kyung Hee) - Tarot Reader and Barista at Sol Hee's café