When the Phone Rings

Yoo Yeon-Seok

Baek Sa-eon

Chae Soo-bin

Hong Hee-joo

Heo Nam-jun

Ji Sang-woo

Jang Gyu-ri

Na Yoo-ri

Im Chul-soo

Kang Yeong-woo

Choi Kwang-il

Hong Il-kyeong

Joon-bae Kim

Jeong Sang-hoon (Fishing spot owner)

Hyun-Kyung Oh

Kim Yeon-hee

Jung Dong-hwan

Baek Jang-ho

Yoo Seong-ju

Baek Eui-yong

Jeong Ji-Hwan

Jeong Won-bin

Jae-Yi Han

Hong In-ah

Sang-mi Choo

Sim Gyoo-jin

Choi Woo-jin

Park Do-jae

Shin Yeon-Woo

Hong Hee-joo (young)

Kim Young-mi

Seongnang-gu Sign Language Center interpreter

Hoon Song

Han (HBC Produser)

Song Young Ah

Kim Jeong-yeon (Police officer)