A Spontaneous Signal

Kornkulanat Kidram

Ning

Ryan Socha

Fred

Mio Yamazaki

Fred's ex

Irada Junkhajon

Ning's Mother (Voice-over)

Siriporn Suvanwong

Grandmother

Giorgia Ferri

Student 1 (Voice-over)

Nina Mattingly

Student 2 (Voice-over)