Hello, My Twenties! Season 2

Director

• 
  Lee Tae Gon
• 
  Kim Sang Ho

Screenwriter

• 
  Park Yeon Sun

Main Role

• 
  Han Ye Ri

  Yun Jin Myeong

  Main Role
• 
  Han Seung Yeon

  Jung Ye Eun

  Main Role
• 
  Park Eun Bin

  Song Ji Won

  Main Role
• 
  Ji Woo

  Yoo Eun Jae

  Main Role
• 
  Choi A Ra

  Cho Eun

  Main Role

Support Role

• 
  Kim Min Seok

  Seo Jang Hun

  Support Role
• 
  Ahn Woo Yeon

  "Hae Im Dal" / Lee Jin Gwang [Asgard member]

  Support Role
• 
  Son Seung Won

  Im Seong Min

  Support Role
• 
  Shin Hyun Soo

  Yun Jong Yeol

  Support Role
• 
  Lee Yoo Jin

  Kwon Ho Chang

  Support Role
• 
  Shin Se Hwi

  An Ye Ji [Cho Eun's friend]

  Support Role
• 
  Ha Eun Seol

  Han Yu Gyeong [Ye Eun's friend]

  Support Role
• 
  Choi Bae Young

  Song Gyeong A [Ye Eun's friend]

  Support Role
• 
  Kim Ho Jung

  [Cho Eun's mother]

  Support Role
• 
  Kim Hak Seon

  [Cho Eun's father]

  Support Role
• 
  Lee Kan Hee

  [Ye Eun's mother]

  Support Role
• 
  Hong Seo Joon

  [Ye Eun's father]

  Support Role
• 
  Lee Gyeong Shim

  [Eun Jae's mother]

  Support Role
• 
  Yoon Yong Joon

  Sin Yul Bin [Jong Yeol's friend]

  Support Role
• 
  Kwon Soo Hyun

  Hwang U Seob [Jong Yeol's friend]

  Support Role
• 
  Kwon Eun Soo

  Kim Han So Yeong [Eun Jae's senior classmate]

  Support Role
• 
  Song Jae Ryong

  Head Jo [Jin Myeong's boss]

  Support Role
• 
  Seo Eun Woo

  Hong Ja Eun [Jin Myeong's senior colleague]

  Support Role
• 
  Yoon Kyung Ho

  [Hyo Jin's ex-boyfriend]

  Support Role
• 
  Yeo Moo Young

  Han Gwan Yeong [Ji Won's art teacher]

  Support Role
• 
  Gong Sang Ah

  [Kwan Yeong's daughter]

  Support Role
• 
  Jo Min Ah

  Song Ji Won [Young]

  Support Role

Guest Role

• 
  Im Yong Soon

  [Airport customer] (Ep. 1)

  Guest Role
• 
  Kim Kwang Shik

  [Serial killer] (Ep. 1)

  Guest Role
• 
  Ok Joo Ri

  [Cashier at expressway] (Ep. 1)

  Guest Role
• 
  Ryu Hwa Young

  Kang I Na (Ep. 1, 10, 14)

  Guest Role
• 
  Lee Ji Ha

  [Driver] (Ep. 1) | [Ho Chang's mother] (Ep. 14)

  Guest Role
• 
  Nam Moon Chul

  [Ji Won's father] (Ep. 3)

  Guest Role
• 
  Kim Jung Young

  [Ji Won's mother] (Ep. 3)

  Guest Role
• 
  Cho Byeong Kyu

  Cho Cheong Hwan [Ji Won's junior] (Ep. 3, 5, 7-8, 14)

  Guest Role
• 
  Go Min Si

  O Ha Na [Ji Won's junior] (Ep. 3-5, 7, 14)

  Guest Role
• 
  Lee Ji Ham

  [The 5th Column member] (Ep. 4)

  Guest Role
• 
  Wow

  [The 5th Column member] (Ep. 4)

  Guest Role
• 
  Park Jun Hee

  [The 5th Column member] (Ep. 4)

  Guest Role
• 
  Kim Byeong Kwan

  [The 5th Column member] (Ep. 4)

  Guest Role
• 
  Kang Yu Chan

  [The 5th Column member] (Ep. 4)

  Guest Role
• 
  Jung Woo Seok

  "Thor" / Park U Seok [Asgard member] (Ep. 4-7, 9, 11, 13-14)

  Guest Role
• 
  Yeo One

  "Tyr" / Sin Chang Gu [Asgard member] (Ep. 4-7, 9, 11, 13-14)

  Guest Role
• 
  Jo Jin Ho

  "Baldr" / Choi Jin Ho [Asgard member] (Ep. 4-7, 13-14)

  Guest Role
• 
  Go Shin Won

  "Ur" / Kim Sin Won [Asgard member] (Ep. 4-7, 13-14)

  Guest Role
• 
  Adachi Yuto

  "Odin" [Asgard member] (Ep. 4-7, 13-14)

  Guest Role
• 
  Kino

  "Freyr" [Asgard member] (Ep. 4-7, 13-14)

  Guest Role
• 
  Park Ji Yun

  [Sangdeok Elementary School teacher] (Ep. 6)

  Guest Role
• 
  Z Hera

  [House owner] (Ep. 10)

  Guest Role
• 
  Seo Ye Hwa

  [Su & Su receptionist] (Ep. 10)

  Guest Role
• 
  Yoon Park

  Park Jae Wan (Ep. 11, 14)

  Guest Role
• 
  Yoon Sa Bong

  [Ho Chang's sister] (Ep. 14)

  Guest Role
• 
  Seo Hye Bin

  (Ep. 14)

  Guest Role
• 
  Seo Eun Gyo

  Lee Yun Jin

  Guest Role
• 
  Choi Yu Hwa

  Moon Hyo Jin

  Guest Role
• 
  Ji Il Joo

  Ko Du Yeong

  Guest Role
• 
  Cho Yu Ha

  Song Ji Won [Young]

  Guest Role
• 
  Jeon Hye In

  Yoo Eun Jae [Young]

  Guest Role
• 
  Yook Mi Ra

  [Ye Eun's aunt]

  Guest Role
• 
  Son Dong Hwa

  [Man in couple]

  Guest Role
• 
  Ji Woong Bae

  [College student]

  Guest Role
• 
  Joo Boo Jin

  [Hyo Jin's relative]

  Guest Role
• 
  Han Hee Jung

  [Jong Yeol's mother]

  Guest Role
• 
  Jung Hyun Seok

  [Psychology professor]

  Guest Role
• 
  Lee Yoon Sang

  [Entertainment company executive]

  Guest Role
• 
  Jeong E Suh

  [Ye Eun's old classmate]

  Guest Role
• 
  Kim Geun Yeong

  [Ae U's mother]

  Guest Role
• 
  Park Hyun Joon

  [School newspaper male student]

  Guest Role
• 
  Hwang Youn Hee

  [Principal]

  Guest Role
• 
  Seo Hyun Bin

  [Ye Ji's friend]

  Guest Role
• 
  Kwon Oh Jin Guest Role
• 
  Shin Young Kyu Guest Role
• 
  Jang Hae Song Guest Role
• 
  Park Ji Ye Guest Role

Unknown

• 
  Jang Tae Min Unknown
• 
  Jung Young Joo Unknown
• 
  Jung Jae Hoon Unknown
• 
  Seo Hye Jin Unknown
• 
  Kim Ye Ji Unknown
• 
  Kim Soo Yeon Unknown
• 
  Jang Joon Ho Unknown
• 
  Na Do Yool Unknown
• 
  Kim Ji Hwan Unknown
• 
  Park So Eun Unknown