Grey Rainbow tells the love story of Nuer and Porsche. Nuer is the son of the owner of an elephant camp while Porsche is a law student. In university, they were dormitory roommates and close friends, each fighting against the feelings that one has for the other.

• Nutchapon Rattanamongkol
• Kasidej Hongladaromp
• Natee Orapim Wongyai
• Folk Thitiphat Chankaew