When the Phone Rings Cast and Character Guide

Netflix When the phone rings features an incredible cast who bring the intense romantic thriller to life. When the phone rings follows Baek Sa-eon and Hong Hee-joo, a couple forced into an arranged marriage, which Sa-eon keeps secret. For most of their marriage in the Netflix K-drama, Sa-eon and Hee-joo stay out of each other's way, but things between them begin to change when Hee-joo is kidnapped.

Adapted from Geon Eomul-nyeo's novel, The number you dialed, When the phone rings It perfectly combines romance, mystery and suspense. The romantic K-drama includes excellent performances from its lead actors and supporting cast, who make every scene of the show engaging. Although there are several good things about When the phone ringsThe cast is undoubtedly one of the reasons for the series' popularity.

Yoo Yeon-Seok as Baek Sa-Eon

Date of birth: April 11, 1984

Actor: Born in Seoul, South Korea as Ah Yeon-seok, Yoo Yeon-seok got his big break as Chil Bong-yi in Reply 1994. The South Korean actor is best known for his roles in Lord Sun, where he plays Goo Dong-mae, A damn lucky dayand Steel Rain 2. He also stars Hospital Playlist, The interest of loveand The Accidental Narco.

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Character: Baek Sa-eon is the presidential spokesperson who used to be a news announcer. Baek Sa-eon is married to Hong Hee-joo and doesn't seem to like her very much. But his feelings for her begin to change as the series progresses.

Chae Soo-Bin as Hong Hee-Joo

Date of birth: July 10, 1994

Actor: Chae Soo-bin was born in Anyang-si, Gyeonggi-do, South Korea as Bae Soo-bin. After she started acting, Bae Soo-bin changed her name to Chae Soo-bin so as not to be confused with another actor who has the same name as her. Chae Soo-bin's breakout role was in Love in the moonlightwhere she plays Ja Ha-yeon. After starring Love in the moonlightChae Soo-bin went on to have bigger roles in The Rebel, I'm not a robotand A piece of your mind. She is most recognized for starring Cheeky, go, go, blue bird houseand Kidnapping 1971.

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Character: A TV and court sign language interpreter, Hong Hee-joo, has selective mutism. She is trapped in an unhappy marriage with Baek Sa-eon, who she despises for keeping their relationship a secret.

Heo Nam-Jun as Ji Sang-Woo

Date of birth: June 9, 1993

Actor: Born in South Korea, Heo Nam-jun began his acting career in 2020. After starring Snowdropwhich was his hit TV showthe actor appeared in Sweet home, The matchmakers, The impossible heirand Your Honor. Heo Nam-jun will star as Lee Seung-jun alongside Lee Min-ho in the upcoming K-drama, When the stars gossip.

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Character: Heo Nam-jun plays the role of Ji Sang-woo, a psychiatrist who loves to talk about unsolved cases. Jo Sang-woo's involvement in Hee-joo's life causes tension between her and her husband.

Jang Gyu-Ri as Na Yoo-Ri

Date of birth: December 27, 1997

Actor: Jang Gyu-ri is a South Korean singer and actor whose prominent role was in the drama, It's okay not to be okaywhere she plays Seon-byeol. Although Jang Gyu-ri is a relatively new actress, she has starred in several TV shows, including Rejoice, The Players 2: Masters of Crooksand Our beautiful summer.

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Character: Na Yu-ri is a broadcast announcer with a cheerful personality. Despite knowing that Sa-eon is married, Yu-ri is determined to get his attention because of her admiration for him.

When the Phone Rings Cast and Supporting Characters

I'm Chul-soo as Kang Yeong-woo: Born on August 24, 1984, my name is Chul-soo and he began his acting career on stage in 2004. He is known for his roles in Alchemy of Souls, Vicenzoand Crash landing on you.

Han Jae-yi as Hong In-ah: Han Jae-yi takes on the role of Hong In-ah, Hee-joo's half-sister in When the phone rings. Although Han Jae-yi is best known for her roles in Hotel Del Luna, melting me gentlyand Woori, the Virginshe also appeared in See you in my 19th life and Good partner.

Jung Dong-hwan as Baek Jang-ho: Better known as T.he fiery priestJung Dong Hwan also appeared in It's about time, Maskand The game: towards zero.

Yoo Seong-joo as Baek Eui-yong: Yoo Seong-joo has had an illustrious acting career. He has acted in films and TV shows such as squid game, The Silent Sea, Decoyand Desperate.

Chu Sang-mi as Sim Gyu-jin: Born in Seoul, South Korea, Chu Sang-mi takes on the role of Sim Gyu-jin in When the phone rings. She is best known for Say yes, The Guardians of the Soul, City halland On the occasion of remembering the revolving gate.

Choi Woo-jin as Park Do-jae: Choi Woo-jin was born on June 4, 1995. He has appeared in films and TV shows such as VIP, Game of Deathand Suddenly mood, first love.

Oh Hyung-kyung as Kim Yeon-hee: After starting his career in 1988, Oh Hyung-kyung has amassed an impressive filmography and TV career. She is best known for her roles in The Great Seer, Romance Radioand Unlocked.

Park Jae-yoon as the kidnapper: Born on January 20, 1985, Park Jae-yoon takes on the role of the Kidnapper in When the phone rings, a role for which he is best known.