• 8 years ago
Angus McLaren as Lewis McCartney, Cleo's childhood friend and later boyfriend who is academically gifted and thinks of himself as a scientist. He helps the girls keep their secret and works to understand how and why the girls transformed into mermaids. After appearing in both series one and two, McLaren left the show during the third series to begin filming Packed to the Rafters,[3] but guest starred in the final episode of the show.

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