Because It's the First Time Characters

Characters played by Choi Minho

• Yoon Tae-oh

Characters played by So-dam Park

• Han Song-yi

Characters played by Jung Kyung-ho

• Police officer

Characters played by Im Yoon-ah

• Im Yoo-jin

Characters played by Hye-Jung Cho

• Oh Ga-rin

Characters played by Jeong Eu-Gene

• Ryoo Se-hyun

Characters played by Min-Jae Kim

• Seo Ji-ah

Characters played by Yi-Kyeong Lee

• Choi Hoon