Emma Gilbert is one of the main characters who became a mermaid in the Australian television series, H2O: Just Add Water. Along with Cleo and Rikki, Emma discovered her powers after her trip to Mako Island. Emma left the main cast after Season 2. She was portrayed by actress Claire Holt. When Emma was only six-months-old, she had been introduced into the world of swimming by her father, Neil Gilbert. Since then, Emma dedicated most of her free time training and competing for her swim team...