 Teeradon SupapunpinyoMin | Min |
 Cherprang AreekulPi | Pi |
 Saruda KiatwarawutLi | Li |
 Suquan BulakulMin's Mother | Min's Mother |
| RRoj KwanthamMin's Father | Min's Father |
 Nathasit KotimanuswanichMenn | Menn |
| AAtom SamphanthaphapMr. Pat | Mr. Pat |
 Nopachai JayanamaWindow Cleaner Guardian | Window Cleaner Guardian |
 Chermarn BoonyasakNurse Guardian | Nurse Guardian |
 Thaneth WarakulnukrohPsychiatrist Guardian | Psychiatrist Guardian |
 Suda ChuenbanOld Lady Guardian | Old Lady Guardian |
 Natthaya OngsritragulYoung Girl Guardian | Young Girl Guardian |
 Pongsatorn JongwilasBoxing Guardian | Boxing Guardian |
 David AsavanondGuardian of the Rooftop | Guardian of the Rooftop |
| PPhasiri PanyaSchool Director | School Director |
 Tatchapol ThitiapichaiSenior with the Red Armband | Senior with the Red Armband |
| PPinpinat MeesukSenior with the Pink Armband | Senior with the Pink Armband |
| TThanakorn PhowijitSenior with the Green Armband | Senior with the Green Armband |
 Siwat JumlongkulSenior with the Blue Armband | Senior with the Blue Armband |
 Theerasak UdomsubSenior with the Black Armband | Senior with the Black Armband |
 Siwat SirichaiRing Announcer | Ring Announcer |
| AAdisak TrisirikasemMother's New Boyfriend | Mother's New Boyfriend |
| KKirattika EaksattraMother's New Boyfriend's Daughter | Mother's New Boyfriend's Daughter |
 Sunon WachirawarakarnDoctor | Doctor |
| TTanat CharoenwanDoctor (Guardian) | Doctor (Guardian) |
| NNatda ChawawanidNurse (Guardian) | Nurse (Guardian) |
| WWichien PuttipornHead-Injured Patient (Guardian) | Head-Injured Patient (Guardian) |
| CChindarat KasuyaClassroom Teacher | Classroom Teacher |
| KKaruna LooktumthongFood Vendor | Food Vendor |
| NNuttar NaphaphonuaongPi's Academic Olympic Classmate 1 | Pi's Academic Olympic Classmate 1 |
