Character Relationship Map: Decibel

Characters

• Kang Do-young (played by Kim Rae-won) — protagonist
• Jeon Tae-seong (played by Lee Jong-suk) — supporting
• Oh Dae-oh (played by Jung Sang-hoon) — supporting
• Cha Young-han (played by Park Byung-eun) — supporting
• Roh Jung-sub (played by Jo Dal-hwan) — supporting
• Jung Yoo-jung (played by Lee Sang-hee) — supporting
• Han Mi-nyeo (played by Kim Seul-gi) — supporting
• Hwang Young-woo (played by Lee Min-ki) — supporting
• Jeon Tae-ryong (played by Cha Eun-woo) — supporting
• Kim Yoo-taek (played by Woo Ji-hyun) — supporting
• Manager (played by Kang Kyung-hun) — supporting
• Sung-woo (played by Na Hyun-woo) — minor
• Lieutenant Commander Kim (played by Lee Seung-hun) — minor
• Kang Seol-yeong (played by Shin Yun-ju) — minor
• Ship crew (played by Cho Kang-hyuk) — minor
• Defense Security Command (played by Lee Sang-ha) — minor
• Soccer Referee 4 (played by Moon Seong-hwan) — minor
• Rude Customer (played by Jung Hyun-ji) — minor
• Captain (played by Yoon Jung-yeol) — minor
• Cook (played by Noh Sung-eun) — minor