Red Balloon

Director

• 
  Jin Hyung Wook
• 
  Lee Seung Hun

Screenwriter

• 
  Moon Young Nam

Main Role

• 
  Seo Ji Hye

  Jo Eun Gang

  Main Role
• 
  Hong Soo Hyun

  Han Ba Da

  Main Role
• 
  Lee Sang Woo

  Go Cha Won

  Main Role
• 
  Lee Sung Jae

  Ji Nam Cheol

  Main Role

Support Role

• 
  Jung Yoo Min

  Jo Eun San

  Support Role
• 
  Lee Bo Hee

  Yang Ban Suk [Eun Gang's mother]

  Support Role
• 
  Jeong Bo Seok

  Jo Dae Bong [Eun Kang's father]

  Support Role
• 
  Yoon Mi Ra

  Na Gong Joo [Cha Won's mother]

  Support Role
• 
  Yoon Joo Sang

  Go Mul Sang [Cha Won's father]

  Support Role
• 
  Kim Hye Sun

  Go Geum A [Nam Chul's wife]

  Support Role
• 
  Choi Dae Chul

  Jo Dae Geun [Eun Kang's uncle]

  Support Role
• 
  Lee Sang Sook

  Yeo Jeon Hee [Da Ba's mother]

  Support Role
• 
  Seol Jung Hwan

  Kwon Tae Gi [Eun Kang's boyfriend]

  Support Role
• 
  Jo Yeon Ho

  Ji Woon

  Support Role
• 
  Oh Eun Seo

  Go Mi Poong

  Support Role

Guest Role

• 
  Lee Ju Mi

  [Maid] (Ep. 1)

  Guest Role
• 
  Han Tae Il

  [Shoe repairman] (Ep. 1)

  Guest Role
• 
  Choo Kwi Jung

  [Wealthy jewelry client] (Ep. 1-2)

  Guest Role
• 
  Lee Se Rang

  [Restaurant owner] (Ep. 1, 3)

  Guest Role
• 
  Kim Woo Rin

  [Han Ba Da's friend] (Ep. 1, 6)

  Guest Role
• 
  Koo Ja Keon

  [Kwon Tae Gi's friend] (Ep. 1, 6)

  Guest Role
• 
  Jang Yoon Woo

  [Shoe salesman] (Ep. 2)

  Guest Role
• 
  Cha Yeong Ok

  [Jo Dae Bong's friend] (Ep. 2)

  Guest Role
• 
  Park Seon Ok

  [Dae Geun's acquaintance] (Ep. 2)

  Guest Role
• 
  Kim Bong Su

  [Mul Sang Resources client] (Ep. 2)

  Guest Role
• 
  Min Kyung Ok

  [Convenience store owner] (Ep. 2, 4)

  Guest Role
• 
  Oh Jung Won

  [Client] (Ep. 3)

  Guest Role
• 
  Moon Ah Ram

  [Jo Eun San's friend] (Ep. 3)

  Guest Role
• 
  Lee Young Eun

  Jo Eun Byeol (Ep. 4)

  Guest Role
• 
  Koo Hey Ryoung

  [Hiking club member] (Ep. 4)

  Guest Role
• 
  Jung Hee Young

  [Hiking club member] (Ep. 4)

  Guest Role
• 
  Chu Eun Kyung

  [Hiking club member] (Ep. 4)

  Guest Role
• 
  Bo Ra Na

  [Hairstylist] (Ep. 4, 6)

  Guest Role
• 
  Kim Jong Ho

  Choi Hee Seok (Ep. 6)

  Guest Role
• 
  Ha Young Jin

  [Hired driver] (Ep. 6)

  Guest Role
• 
  Kim Yoon Hong

  [Fiancé's father] (Ep. 6)

  Guest Role
• 
  Song Kyung Hwa

  [Fiance's mother] (Ep. 6)

  Guest Role
• 
  Kwak Na Yeon

  [Kwon Tae Gi's mother] (Ep. 6)

  Guest Role
• 
  Im Too Chul

  [Tutored student's uncle] (Ep. 6)

  Guest Role
• 
  Jang Joon Ho

  [Psychiatrist] (Ep. 6, 16)

  Guest Role
• 
  Sung Hyun Mi

  [Housekeeper applicant] (Ep. 8)

  Guest Role
• 
  Kim Soo Jung

  [Housekeeper applicant] (Ep. 8)

  Guest Role
• 
  Choi Sung Jae

  Sin Gi Han (Ep. 8-9)

  Guest Role
• 
  Kim Joon Hee

  [Exhibition staff] (Ep. 9)

  Guest Role
• 
  Kim Joo Ah

  [Jo Dae Geun's acquaintance] (Ep. 9)

  Guest Role
• 
  Kwak Myung Hwa

  Na Bun Nyeon [Exhibition woman] (Ep. 9-10)

  Guest Role
• 
  Kim Chae Hyun

  [Home shopping PD] (Ep. 9-10)

  Guest Role
• 
  Park Se Ryeon

  [Elementary school teacher] (Ep. 11, 16)

  Guest Role
• 
  Kang Moon Kyung

  [Chairman] (Ep. 12)

  Guest Role
• 
  Jeon Jeong Il

  [Home shopping executive] (Ep. 12)

  Guest Role
• 
  O Gyu Taek

  [Factory employee] (Ep. 15)

  Guest Role
• 
  Park Shin Woon

  [Go Cha Won's co-worker] (Ep. 16)

  Guest Role
• 
  Kim Ji Su

  [Clothing saleswoman] (Ep. 17)

  Guest Role
• 
  Song Yeon Soo

  [Taxi company staff] (Ep. 18)

  Guest Role
• 
  Kim Mi Ra

  [Next table diner] (Ep. 18)

  Guest Role
• 
  Yang Yoon Hee

  [Next table diner] (Ep. 18)

  Guest Role
• 
  Song A Kyung

  [Student's mother] (Ep. 18)

  Guest Role
• 
  Kim Si Kook

  [Home shopping staff] (Ep. 18)

  Guest Role
• 
  Kim Nam Ho

  [Deliveryman] (Ep. 19)

  Guest Role
• 
  Chae Min Hee

  Ji Nam Soon (Ep. 19-20)

  Guest Role
• 
  Lee Myung Ho

  Bae Kyung Hoon [Attorney] (Ep. 20)

  Guest Role
• 
  Yoon Jong Won

  [Con artist] (Ep. 20)

  Guest Role
• 
  Lee Tae Yoon

  [Detective] (Ep. 20)

  Guest Role
• 
  Lee Jung Gil

  Mr. Lee

  Guest Role
• 
  Go Na Hee

  Ji Cheon

  Guest Role
• 
  Yoon Ji Sook

  Lee Ji Ok

  Guest Role
• 
  Kim Hyuk Jong

  [Detective]

  Guest Role
• 
  Lee Byung Joon Guest Role
• 
  Lee Chang In

  [Waiter] (Ep. 15, 17)

  Guest Role
• 
  Lee Ja Yeon

  [Jo Eun San's friend] (Ep. 3)

  Guest Role
• 
  Na Se Na

  [Eun Byeol's teacher] (Ep. 10)

  Guest Role
• 
  Kim Young Mi

  [Nurse]

  Guest Role
• 
  Noh Sung Eun

  [Ex-wife's boyfriend]

  Guest Role
• 
  Choi Hyun Young

  [Tae Gi's girlfriend]

  Guest Role
• 
  Kim Da Yun

  [Bully student] (Ep. 6)

  Guest Role