Palos > Casts | Cesar Montano as Fabio Fabio is Palos, the best secret agent of Neptune Organization. He is betrayed by a traitor in the agency and spends years of torture in a remote prison. Fabio later successfully escapes to clear his name and hunt his traitors. |
 | Jake Cuenca as Giancarlo Caranzo Giancarlo rises to the ranks of the best Neptune agents. He will use his skills his training to make Fabio pay for Grazella's death. |
Jomari Yllana as Alessandro Canavaro Alessandro is the son of Vittorio, head of the Neptune Organization. Alessandro is groomed to one day lead Neptune, but he is displeased with the latest batch of secret agents. Jodi Sta. Maria-Lacson as Carmela Canavaro Carmela is the wife of Alessandro. She heads the technology department of Neptune responsible in crafting gadgets that aid the agents in their field mission. However, Carmela's deep unhappiness will create a big impact on the organization.  | Bangs Garcia as Sylvia Nazi Silvia is under training in Neptune since she was orphaned as a child. She will do everything to be the best secret agent, but her involvement with Giancarlo will get in the way of her dreams. |
 | Wendy Valdez as Nicolla Nicolla is a friend of Mario and Luigi. However, her friendship with the two will become complicated when she becomes close to Fabio. |
 | Jay-R Siaboc as Enzo Enzo another rising agent in Neptune and a good friend to Giancarlo. |
 | Carla Humphries as Dr. Stella Guidote Stella is Giancarlo's good friend outside of Neptune. Stella will serve as Giancarlo's anchor of strengh in the world of lies and danger. But her friendship with the secret agent will put her own life in great risk. |
 | Regine Angeles as Paola Durante Paola is the fashionista Neptune agent who knows how to mix class with action. |
 | Ron Morales as Aldo Aldo only agrees to be a Neptune agent so he could be with Paolo who he likes very much. The other agents would say that because of his geekiness, Aldo is better off working on a desk rather than on field. |
Redford White as Mario Mario and Luigi are aspiring inventors who were rejected by Neptune. But they will later use their skills to help Fabio in his quest. Dennis Padilla as Luigi Mario and Luigi are aspiring inventors who were rejected by Neptune. But they will later use their skills to help Fabio in his quest. Vandolph Quizon as Guissepe Guissepe is the tech-savvy operations and communications officer of Neptune. Julia Barretto as Pamela Kiev Pamela is the daughter of the premiere technology scientists. The life of this spoiled brat girl will change when a tragedy in the family introduces her to Giancarlo. Ms. Gloria Romero as Alfonsina Alfonsina is the trustworthy household in Giancarlo's family. After Grazella's death, she has assumed care of Giancarlo. However, Alfonsina still has secrets that Giancarlo is yet to discover.  | Jed Maddela as Grazella Grazella is Giancarlo's mother. As head of a big IT firm, she headed to Macau with her son for an important business trip which unfortunately led to her death. |
|