Ahoy Pinafore!

Storyline: A sailor falls for the daughter of his captain, while being unaware of the love a young country girl holds for him.

Actors include Amanda Muggleton as Buttercup. Also Jon English, Simon Gallaher, Helen Donaldson, Drew Forsythe, David Gould and The Fabulous Singlettes.

Essgee's 1997 production.

Trivia: The character of "Little Buttercup" has been played by two different actresses in the two Esgee productions.

In Australia, she was played by Amanda Muggleton, whereas in New Zealand, she was played by Rima Te Wiata.

https://www.imdb.com/title/tt0187114/?ref_=ttmi_tt