Director
Screenwriter
Main Role
- Lee Young AeCha Se EumMain Role
- Lee Moo SaengYoo Jeong JaeMain Role
- Kim Young JaeKim PilMain Role
Support Role
- Hwang Bo Reum ByeolLee Roo NaSupport Role
- Park Ho SanJeon Sang Do [CEO of Hangang Philharmonic]Support Role
- Yang Jun MoMa Yo Seop [Orchestra’s union leader]Support Role
- Lee Shi WonLee Ah Jin [Horn player]Support Role
- Kim Young AhLee Hye Jung [Se Eum's friend]Support Role
- Ye Soo JungBae Jung Hwa [Se Eum's mother]Support Role
- Kim Min KyuKim Tae Ho [Se Eum’s assistant]Support Role
- Lee Jung YeolPark Jae Man [Concertmaster]Support Role
- Kang Ji EunWoo Young Seon [Jung Hwa’s doctor]Support Role
- Im Se JuMiss Hwang [Jeon Sang Do's secretary]Support Role
- Jin Ho EunKim Bong Ju [Oboist]Support Role
- Choi Yoon SoGo Yu Ra [Jeong Jae’s ex-wife]Support Role
- Kim Hyun JunGo Han Gil [Jeong Jae’s friend]Support Role
- Jin So YeonKwon Soo Jin [Associate concertmaster]Support Role
- Seo Jung YeonHeo Young Mi [Violinist]Support Role
- Jung Sun AHa Young MiSupport Role
- Lee Byung JoonOh Hyun Seok [Assistant conductor]Support Role
- Jung Dong HwanCha Ki Baek [Se Eum’s father]Support Role
- Hwang GeonNo Ba Ha [Cellist]Support Role
- Han Jin HeeKang In Han [Violinist]Support Role
Guest Role
- Im Jung Ok[Park Jae Man’s wife] (Ep. 2)Guest Role
- Yu Seung Il[Director] (Ep. 3)Guest Role
- Park Seong Kyun[Director] (Ep. 3)Guest Role
- Lee Dong Kyu[KVN anchorman] (Ep. 3)Guest Role
- Min Eung Shik[Chancellor] (Ep. 3, 5)Guest Role
- Kwon Jae HwanAssemblyman Kim (Ep. 4)Guest Role
- Song Kyung A[OB-GYN] (Ep. 4)Guest Role
- Lee Eun Ju[Caregiver] (Ep. 4)Guest Role
- Lee Se Rang[Kim Bong Ju’s mom] (Ep. 5)Guest Role
- Kim Tae Moon[Deliveryman] (Ep. 6)Guest Role
- Yoon Bok SungLee Min Chan (Ep. 7)Guest Role
- Choi Ga In[Lawyer] (Ep. 7)Guest Role
- Kyung Ki Hyun[Nightclub employee] (Ep. 7)Guest Role
- Baek Do Gyum[Lawyer] (Ep. 8)Guest Role
- Kim Sang Wook[Director] (Ep. 8)Guest Role
- Lee Ji Young[CCTV security staff] (Ep. 8)Guest Role
- Yoon Byul HaLee Ru Na [Young] (Ep. 9)Guest Role
- Hwang Yun Seon[Cha Se Eum’s lawyer] (Ep. 9)Guest Role
- Ha Ji YongKim Song Yi [Reporter] (Ep. 10)Guest Role
- Jang Jae Kwon[Doctor] (Ep. 10-11)Guest Role
- Choi Hyun Joon[Food science researcher] (Ep. 10)Guest Role
- Choi Soo GyunLee Hae NaGuest Role
- Baek Sung ChulChoo Dong SikGuest Role
- Woo Da ViCha Se Eum [Young]Guest Role
- Im Sung KyunYoo Jeong Jae [Young]Guest Role
- Bae Jae Seong[Lee Hae Na's boyfriend]Guest Role
- Shin Ha Jun[Pharmaceutical scientist] (Ep. 11)Guest Role
- Kim Joon HyungKang Cheol Su [Bodyguard] (Ep. 11)Guest Role
- Jun Eun Mi[Orphanage director] (Ep. 9, 11)Guest Role
Trending Articles
'When the Phone Rings' sparks outrage for misrepresentation of Israel-Palestine conflict
A scene from the final episode of When the Phone Rings sparks outrage among international viewers
'When the Phone Rings's Yoo Yeon Seok on why the K-drama became immensely popular
Read the interview excerpts of When the Phone Rings actor Yoo Yeon Seok
Zhao Lusi breaks silence on suffering from depression and physical abuse
Zhao Lusi publishes a post on her Weibo explaining all she has been going through
Former BIGBANG's T.O.P. to address Korean media regarding his 'Squid Game Season 2' role
Former BIGBANG member T.O.P also known as Choi Seung Hyun will finally meet the Korean media to discuss his recent work, Squid Game Season 2.
'Squid Game Season 2' Park Sung Hoon under controversy for an adult material post on Instagram
Park Sung Hoon is getting criticized for an Instagram story he posted.
Chinese actress Zhao Lusi, global girl group VCHA's KG, and the so-called 'slave contracts'
Chinese actress Zhao Lusi's plight mirrors that of global girl group VCHA's KG, but the two women are on the opposite end of the spectrum
Dylan Wang's 'Guardians of the Dafeng' lands on Tencent's annual rankings list
Guardians of the Dafeng's popularity continues to rise despite mixed reviews
'When the Phone Rings' scores new personal-best ratings
Check out the ratings of Friday-Saturday K-dramas When the Phone Rings and Love Scout
Jisoo reveals she attended action school for 'Newtopia' + Trailer unveiled
Check out the official trailer for the upcoming zombie K-drama 'Newtopia'
Winners of MBC Drama Awards 2024 unveiled
Check out the full list of winners of the MBC Drama Awards 2024
Yang Zi's 'Flourished Peony' announces premiere date
Yang Zi's highly-anticipated drama 'Flourished Peony' is coming soon
Go Min Si is confirmed to lead a new Hong Sisters K-drama!
Go Min Si is the next muse of the famous writers Hong Sisters (Hong Jung Eun and Hong Mi Ran).
ASTRO's Cha Eun Woo will reportedly star alongside Go Min Si in the Hong Sisters' new K-drama
ASTRO's Cha Eun Woo might be the leading man of Go Min Si in a new Hong Sisters K-drama.
Song Hye Kyo on how she addresses rumors, hate comments; her beauty secrets, and more
Song Hye Kyo opens up about how she's changed from the past, how she addresses rumors about her and more.
Netflix announces Ju Ji Hoon's medical K-drama 'The Trauma Code's release date
Check out the teaser for upcoming medical K-drama The Trauma Code: Heroes on Call
Actor Ji Sung in talks to return to MBC K-dramas after 10 years!
Actor Ji Sung will reportedly return to MBC 10 years after Kill Me, Heal Me.
'When the Phone Rings's Chae Soo Bin on challenges she faced performing sign language
Read the interview excerpts of When the Phone Rings actress Chae Soo Bin
'When the Phone Rings' concludes on high note, 'When the Stars Gossip' premieres with strong ratings
Check out the ratings of weekend K-dramas