 Park Ji-minFreddie | Freddie |
 Oh Kwang-rokFather | Father |
 Guka HanTena | Tena |
 Kim Sun-youngAunt | Aunt |
 Yoann ZimmerMaxime | Maxime |
 Louis-Do de LencquesaingAndre | Andre |
 Heo JinGrandmother | Grandmother |
 Son Seung-beomDongwan "French-speaking friend" | Dongwan "French-speaking friend" |
 Kim Dong-seokJiwan "The boy with the fringe" | Jiwan "The boy with the fringe" |
| EEmeline BriffaudLucie | Lucie |
| LLim Cheol-hyunKay-Kay | Kay-Kay |
| MMyung-hee Chung LeeHammond Employee in Seoul | Hammond Employee in Seoul |
| JJoo-yeoh KimHammond Employee in Jeonju | Hammond Employee in Jeonju |
| RRégine VialAdoptive mother | Adoptive mother |
| CCho-woo ChoiKorean Birth Mother | Korean Birth Mother |
| YYoung-sik KoBoy in Leopard Sweatshirt | Boy in Leopard Sweatshirt |
| YYou-seop LeeBoy in Leather Jacket | Boy in Leather Jacket |
| AAe-ri Kim"Paris Baguette" girl | "Paris Baguette" girl |
| YYeon-ok Lim"Your friend is original" girl | "Your friend is original" girl |
| JJee-Nyang LeeParty Singer | Party Singer |
| JJoon-ho LeeParty Wrestler | Party Wrestler |
| IIoana LuculescuRomanian Hotel Receptionist | Romanian Hotel Receptionist |
| HHae-in SongEldest Half-Sister | Eldest Half-Sister |
| BBitnara OhYounger Half-Sister | Younger Half-Sister |
| BBok-soon HwangNeighbor on the Roof | Neighbor on the Roof |
| CCho Young-dongHammond Old Employee in Jeonju | Hammond Old Employee in Jeonju |
| KKug-Hwan ParkVintage Bar DJ | Vintage Bar DJ |
| PPyeong-ahn LeeHipster Looking For the Bathroom 1 | Hipster Looking For the Bathroom 1 |
| JJi-hoon ShimHipster Looking For the Bathroom 2 | Hipster Looking For the Bathroom 2 |
| SShin Dong-hoTena's Father | Tena's Father |
