Maestra: Strings of Truth

Composer

• 
  Jo Seong Woo

Director

• 
  Kim Jung Kwon

Screenwriter

• 
  Choi Yi Yoon

Main Role

• 
  Lee Young Ae

  Cha Se Eum

  Main Role
• 
  Lee Moo Saeng

  Yoo Jeong Jae

  Main Role
• 
  Kim Young Jae

  Kim Pil

  Main Role

Support Role

• 
  Hwang Bo Reum Byeol

  Lee Roo Na

  Support Role
• 
  Park Ho San

  Jeon Sang Do [CEO of Hangang Philharmonic]

  Support Role
• 
  Yang Jun Mo

  Ma Yo Seop [Orchestra’s union leader]

  Support Role
• 
  Lee Shi Won

  Lee Ah Jin [Horn player]

  Support Role
• 
  Kim Young Ah

  Lee Hye Jung [Se Eum's friend]

  Support Role
• 
  Ye Soo Jung

  Bae Jung Hwa [Se Eum's mother]

  Support Role
• 
  Kim Min Kyu

  Kim Tae Ho [Se Eum’s assistant]

  Support Role
• 
  Lee Jung Yeol

  Park Jae Man [Concertmaster]

  Support Role
• 
  Kang Ji Eun

  Woo Young Seon [Jung Hwa’s doctor]

  Support Role
• 
  Im Se Ju

  Miss Hwang [Jeon Sang Do's secretary]

  Support Role
• 
  Jin Ho Eun

  Kim Bong Ju [Oboist]

  Support Role
• 
  Choi Yoon So

  Go Yu Ra [Jeong Jae’s ex-wife]

  Support Role
• 
  Kim Hyun Jun

  Go Han Gil [Jeong Jae’s friend]

  Support Role
• 
  Jin So Yeon

  Kwon Soo Jin [Associate concertmaster]

  Support Role
• 
  Seo Jung Yeon

  Heo Young Mi [Violinist]

  Support Role
• 
  Jung Sun A

  Ha Young Mi

  Support Role
• 
  Lee Byung Joon

  Oh Hyun Seok [Assistant conductor]

  Support Role
• 
  Jung Dong Hwan

  Cha Ki Baek [Se Eum’s father]

  Support Role
• 
  Hwang Geon

  No Ba Ha [Cellist]

  Support Role
• 
  Han Jin Hee

  Kang 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 Gyu

  [KVN anchorman] (Ep. 3)

  Guest Role
• 
  Min Eung Shik

  [Chancellor] (Ep. 3, 5)

  Guest Role
• 
  Kwon Jae Hwan

  Assemblyman 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 Sung

  Lee 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 Ha

  Lee Ru Na [Young] (Ep. 9)

  Guest Role
• 
  Hwang Yun Seon

  [Cha Se Eum’s lawyer] (Ep. 9)

  Guest Role
• 
  Ha Ji Yong

  Kim 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 Gyun

  Lee Hae Na

  Guest Role
• 
  Baek Sung Chul

  Choo Dong Sik

  Guest Role
• 
  Woo Da Vi

  Cha Se Eum [Young]

  Guest Role
• 
  Im Sung Kyun

  Yoo 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 Hyung

  Kang Cheol Su [Bodyguard] (Ep. 11)

  Guest Role
• 
  Jun Eun Mi

  [Orphanage director] (Ep. 9, 11)

  Guest Role