On June 2013 , the script was submitted for the official selection of the 2013 Metro Manila Film Festival along with 12 other movies from various producers . On June 18 , 2013 , Metro Manila Development Authority chairman , Francis Tolentino announced the movie as one of the 8 official entries of the said festival.JM De Guzman was originally chosen to play the character of Calungsod , but withdrew due to health reasons . According to his team , De Guzman is attending to some health concerns , it might take time for him to concentrate and focus on his work ahead . On August 11 , 2013 , teen actor Rocco Nacino was announced as the official actor who will play Calungsod on the film
2013 Metro Manila Film Festival
2013 Metro Manila Film Festival
Pedro Calungsod: Batang Martir