- Chutimon Chuengcharoensukying
- Lynn
- Eisaya Hosuwan
- Grace
- Teeradon Supapunpinyo
- Pat
- Chanon Santinatornkul
- Bank
- Thaneth Warakulnukroh
- Lynn's father
- Sarinrat Thomas
- Headmistress
- Ego Mikitas
- STIC Supervisor
- Pasin Kuansataporn
- Tong
- Sahajak Boonthanakit
- Pat's father
- Kanjana Vinaipanid
- Pat's mother
- Yuthapong Varanukrohchoke
- Mr. Sophon
- Nopawat Likitwong
- Exam Proctor
- Vittawin Veeravidhayanant
- Pat's friend
- Suwijak Mahatthanachotwanich
- Pat's friend
- Narwin Rathlertkarn
- Pat's friend
- Thanawat Sutat Na Ayutthaya
- Pat's friend
- Thanachart Phinyocheep
- Pat's friend
- Pichatorn Santinatornkul
- STIC client
- Thanwalai Pornjirattikal
- STIC client
- Natchanok Kamonrattananan
- STIC client
- Thanyarat Naovaratpong
- STIC client
- Theerasak Udomsub
- STIC client
- Sivapee Mapaisalkij
- STIC client
- Bundit Saejiw
- STIC client
- Kobrsak Noomnoi
- Teen Genius host
- Uraiwan Puvichitsutin
- Bank's mother
- Somchai Ruedikunrangsi
- Bank's father
- Sasidis Sasisakulporn
- AV officer
- Panot Sukhjitr
- Hoodlum
- Boonyarich Baijiam
- Hoodlum
- David Gray
- Facetime father
- Laluna Nitze
- Facetime daughter
- Rod Mabin
- Australian News Anchor
- David Bloom
- STIC officer
- Neil Hayes
- STIC officer
- Margaret Tuner
- STIC officer
- Amie Cicciarello
- STIC officer
- Valerie Bentson
- STIC officer
- Taffy Marufu
- STIC Invigilator
- Markus Waldow
- Test centre supervisor's assistant
- Arisa Hansura
- Embassy consul
- Napha Sinxayvoravong
- STIC Thai student
- Arisa Ogata
- STIC Thai student
- Suttida Wongpramoth
- STIC Thai student
- Connor Malanos
- Busker
- Heather Prowse
- Old lady at the station
- Salaithip Charubhumi
- University professor
- Benjamin Nitze
- Confession officer
- Valentin Velkov
- Confession officer
- Suquan Bulakool
- News anchor
