Mary Is Happy, Mary Is Happy.

Patcha Poonpiriya

Mary

Chonnikan Netjui

Suri

Thanapob Leeratanakachorn

Pakorn

Vasuphon Kriangprapakit

M

Udomporn Hongladdaporn

Kun

Rossarin Ananchanachai

Tim

Awat Ratanapintha

Winai

Wattanapume Laisuwanchai

Asano Jr.

Narissara Thanapreechakul

M's Girlfriend

Kamol Sukosol Clapp

Headmaster

Krissada Sukosol Clapp

Homeroom Teacher

Prabda Yoon

Activities Teacher