Park Ji-Min as Freddie

Oh Kwang-rok as Father

Guka Han as Tena

Kim Sun-young as Aunt

Yoann Zimmer as Maxime

Louis-Do de Lencquesaing as Andre

Heo Jin as Grandmother

Son Seung-beom as Dongwan "French-speaking friend"

Kim Dong-seok as Jiwan "The boy with the fringe"

Emeline Briffaud as Lucie

Lim Cheol-hyun as Kay-Kay

Myung-hee Chung Lee as Hammond Employee in Seoul

Joo-yeoh Kim as Hammond Employee in Jeonju

Régine Vial Goldberg as Adoptive mother

Cho-woo Choi as Korean Birth Mother

Cha Mi-kyung as The Father's Wife

Young-sik Ko as Boy in Leopard Sweatshirt

You-seop Lee as Boy in Leather Jacket

Ae-ri Kim as "Paris Baguette" girl

Yeon-ok Lim as "Your friend is original" girl

Lee Hyang-hee as Party singer

Joon-ho Lee as Party Wrestler

Ioana Luculescu as Romanian Hotel Receptionist

Hae-in Song as Eldest Half-Sister

Bitnara Oh as Younger Half-Sister

Bok-soon Hwang as Neighbor on the Roof

Cho Young-Dong as Hammond Old Employee in Jeonju

Kug-Hwan Park as Vintage Bar DJ

Pyeong-ahn Lee as Hipster Looking For the Bathroom 1

Ji-hoon Shim as Hipster Looking For the Bathroom 2

Shin Dong-ho as Tena's Father

Yang-ja Yoon as Old Woman on the Street

Young-jae Joe as Party DJ

Jinun as Party Friend 1

Diki Kim as Party Friend 2

Tae-Seong Jeong as Upscale Restaurant Server

Eun-sun Jung as Upscale Restaurant Boss

Nam-Soo Baik as Bus Driver

Seong-oh Kim as Restaurant Server in Gunsan

Meong-ja Yang as Shoe Saleswoman

Gun-woo as Hotel Bartender

Sang-dae Lee as Taxi Driver (voice)