"Smile" Sasina Phanomthornnitkul is an actor under Channel 7. Although she was originally nicknamed Mind, her friends call her "Smile" after her Facebook name. After graduating from Ayutthayanusorn School in Ayutthaya, she went on to get her bachelor's degree in Thai from Phra Nakhon Si Ayutthaya Rajabhat University.
Smile got her start in the industry through beauty pageants and modelling before casting with Channel 7.