Flipper’s New Adventure

A brave and curious boy who flees home to protect his dolphin friend Flipper. He uses ingenuity to survive on the island and quietly helps the Hopewell family while fighting his own fears of separation from Flipper. His bond with Penny deepens into a touching, if innocent, connection that motivates his actions during the rescue.

Sandy’s father, a park ranger who returns from his training to search for his son. He embodies steady leadership and protective love, ultimately accepting Flipper’s new home at the Coral Key Marine Preserve. His presence anchors the family amidst the island crisis and the ensuing rescue.

A holidaying British aristocrat whose family becomes hostage to the escaped convicts. He represents chance encounters with danger and the fragility of safety in unfamiliar waters. His role underscores the outsiders' impact on the island’s rescue dynamics.

The elder Hopewell daughter who shares in the family’s ordeal. While not central to the action, she contributes to the family’s dynamics and the group’s tension as the island crisis unfolds. Her presence adds to the sense of a displaced, vacationing family under pressure.

The younger Hopewell daughter who forms an innocent, budding bond with Sandy. She becomes a confidant and ally on the island, learning basic survival skills and sharing a sense of hope amid peril. Her relationship with Sandy adds emotional warmth to the rescue narrative.

The Hopewell family matriarch who endures the kidnapping and strives to stay hopeful under threat. Her resolve and endurance contribute to the family’s resilience and the emotional stakes of the rescue effort.

The ruthless escapee who commands the other criminals. He fights fiercely to evade capture, using a knife in his frantic escape. His confrontation with Flipper and Sandy heightens the tension and showcases the dangers the heroes face.