Who Voices Prince Mermahn in Forgotten Island? Cast Explained

Forgotten Island takes Jo and Raissa into Nakali as the two friends prepare for separate futures. Its fantasy adventure gives their friendship an unusual setting, where getting home comes with the prospect of losing their shared memories. Prince Mermahn adds a different personality to that journey, and his voice and glamorous animated memories have separate creative origins.

Who voices Prince Mermahn?

Kevin McCann voices Prince Mermahn. Directors Joel Crawford and Januel Mercado previously collaborated on Puss in Boots: The Last Wish.

Mermahn joins a movie led by H.E.R. as Jo and Liza Soberano as Raissa. Their characters have been friends since grade school, and the story begins as their lives are about to move in different directions. Forgotten Island is now playing in theaters. It is an original film from DreamWorks Animation, with Universal Pictures handling distribution.

Dry Mermahn is voiced by Januel Mercado, according to Animation World Network’s production account. McCann’s main character credit and Mercado’s Dry Mermahn credit identify separate contributions.

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How the scratch voice became the final performance

Crawford told Animation World Network that McCann’s scratch performance convinced the team to keep him in the role. The voice was developed while they were working out the character, before the actor-recording stage.

In an interview published October 2 by CGMagazine, Crawford described casting as a collaboration shaped by performers’ perspectives and personal experiences. He explained how H.E.R.’s enthusiasm helped the team imagine Jo, while Soberano brought her experience of pursuing opportunities in the United States to Raissa.

Soberano described a more specific vocal choice during an August media interview reported by Philstar. Raissa needed to sound more mature than Soberano’s naturally youthful voice, so she lowered it while keeping a young quality. She also listened to videos of H.E.R. to make the two voices complement each other. Her dramatic acting experience helped with the emotional scenes, although she wanted to preserve a lighthearted feeling. That preparation gave the central friendship its own carefully considered sound. She had previously voiced characters in Trese and Sun Chaser.

Who voices Raww and Bungi?

The contrast between Bungi’s design and his voice was another part of the casting process. Manny Jacinto voices the giant, three-eyed baby, and Mercado told CinemaBlend that the filmmakers introduced the actor to two different drawings: a frightening version of the traditional Tiyanak, followed by the film’s more playful design. That comparison helped break the ice before Jacinto began experimenting with the voice. The directors were looking for a performance that fitted their particular character, rather than simply using the original creature’s appearance.

Bungi also changed during story development. Mercado said the character began as a laughing cyclops before the team reworked him into a baby. That choice connected him more closely to Jo and Raissa’s experience of leaving home and confronting unfamiliar territory.

Dave Franco voices Raww, the weredog who accompanies the friends. In Mama’s Geeky’s original cast interview, Franco described how the character’s high energy could leave him losing his voice during recording sessions. He associated the experience with hot water and lemon, which he used throughout the work. His account gives another example of how the film’s fantasy personalities took shape through the actors’ performances.

Why Mermahn’s flashback draws on Sailor Moon

Crawford’s CGMagazine interview also describes how the movie changes its visual language when different characters relive memories. The filmmakers drew on animation they watched growing up, including Dragon Ball Z, Street Fighter and Sailor Moon. He describes the overall approach as CG animation with a hybrid 2D sensibility, giving the film a nostalgic feel.

Crawford told The Credits that Mermahn’s glamorous, self-absorbed viewpoint informed his Sailor Moon-inspired flashback. The memory’s hand-drawn style reflects its narrator’s personality. That is an artistic reference, without suggesting a crossover or shared fictional universe.

The anime-inspired memories also involved a collaboration with Snipple Animation in Quezon City. In The Asian American Foundation’s director interview, Mercado described visiting a studio filled with Filipino animators and wanting those artists to help shape the film. Crawford said the collaborators contributed their own personalities and ideas to the animation. Their collaboration put Filipino artists directly into the film’s storytelling process, with room for their humor and ideas to influence the sequences they helped create.