Official website: http://gmanetwork.com/entertainment/tv/the_half_sisters/home/
Barbie Forteza
Diana Mercado-Alcantara / Valdicañas
Thea Tolentino
Ashley Mercado-Alcantara
Jean Garcia
Karina "Rina" Mercado Valdicañas/ Alexa
Jomari Yllana
Benjamin "Benjie" Valdicañas / Noli Tonyo delos Santos
Ryan Eigenmann
Alfred Alcantara / Damon Sarmiento
Andre Paras
Bradley Castillo
Derrick Monasterio
Sebastian "Baste" Castillo-Torres
Mel Martinez
Venus Mercado