Mario Maurer

~ as ~

Onizuka Takeshi

Nadech Kugimiya

~ as ~

Onizuka Ryu

Urassaya Sperbund

~ as ~

Takahachi Mayumi

Natapohn Tameeruks

~ as ~

Praedow (Seiko)(Takeshi's Lover/Mistress) and 1 more

Chartayodom Hiranyatithi

~ as ~

Onizuka Ichiro (Takeshi's Father)

Sarocha Watittapan

~ as ~

Onizuka Hideko (Takeshi's Mother)

Nithi Smuthkochorn

~ as ~

Kazuma

Tanakorn Posayanon

~ as ~

Sasaki Koji

Bhanudej Vatanasuchart

~ as ~

Masato

Napapa Tantrakul

~ as ~

Mizawa Aiko (Takeshi's fiancé)