| 角色 | 饰演者 | 角色介绍 |
| Lynn | 茱蒂蒙·琼查容苏因 | |
| Bank | 查侬·散顶腾古 | |
| Pat | 披纳若·苏潘平佑 | |
| Grace | 依莎亚·贺苏汪 | |
| Lynns father | 塔内·瓦拉库努娄 | |
| Headmistress | Sarinrat Thomas | |
| Test Centre Supervisor | Ego Mikitas | |
| Tong | 帕辛·宽萨塔彭 | |
| Pats father | Sahajak Boonthanakit | |
| Pats mother | Kanjana Vinaipanid | |
| Mr. Sophon | Yuthapong Varanukr.. | |
| Exam Proctor | Nopawat Likitwong | |
| Pats friend | Vittawin Veeravidh.. | |
| Pats friend | Suwijak Mahatthana.. | |
| Pats friend | Narwin Rathlertkarn | |
| Pats friend | Thanawat Sutat Na .. | |
| Pats friend | Thanachart Phinyoc.. | |
| STIC client | Pichatorn Santinat.. | |
| STIC client | Thanwalai Pornjira.. | |
| STIC client | Natchanok Kamonrat.. | |
| STIC client | Thanyarat Naovarat.. | |
| STIC client | Theerasak Udomsub | |
| STIC client | Sivapee Mapaisalkij | |
| STIC client | Bundit Saejiw | |
| Teen Genius host | Kobrsak Noomnoi | |
| Banks mother | Uraiwan Puvichitsu.. | |
| Banks father | Somchai Ruedikunra.. | |
| AV officer | Sasidis Sasisakulp.. | |
| Hoodlum | Panot Sukhjitr | |
| Hoodlum | Boonyarich Baijiam | |
| Facetime father | David Gray | |
| Facetime daughter | Laluna Nitze | |
| Australian News Anchor | Rod Mabin | |
| STIC officer | David Bloom | |
| STIC officer | Neil Hayes | |
| STIC officer | Margaret Tuner | |
| STIC officer | Amie Cicciarello | |
| STIC officer | Valerie Bentson | |
| STIC Invigilator | Taffy Marufu | |
| Test centre supervisors assistant | Markus Waldow | |
| Embassy consul | Arisa Hansura | |
| STIC Thai student | Napha Sinxayvoravong | |
| STIC Thai student | Arisa Ogata | |
| STIC Thai student | Suttida Wongpramoth | |
| Busker | Connor Malanos | |
| Old lady at the station | Heather Prowse | |
| University professor | Salaithip Charubhumi | |
| Confession officer | Benjamin Nitze | |
| Confession officer | Valentin Velkon | |
| News anchor | Suquan Bulakul |
