Actor Margot Robbie turns from glamour girl in Wolf of Wall Street to New Zealand farm girl as shooting starts on latest film Z for Zachariah FROM Manhattan trophy wife to hard-working country girl - transformations such as these are all in a day's work for Margot Robbie. Margot Robbie turns brunette for her new farm girl role. The Gold Coast actor posted this photo from New Zealand where she has just started shooting the big-screen adaptation of post-apocalyptic, sci-fi novel Z for Zachariah. First day on set for Z! She ain't a Duchess no more," Robbie tweeted, referencing the nickname of her character in Martin Scorsese's The Wolf of Wall Street. Prep for Z for Zachariah is well and truly under way. I'm now officially a brunette and spent the day milking cows and driving tractors! Robbie joins Chris Pine and Oscar nominee Chiwetel Ejiofor in the movie, playing a farm girl who survives a nuclear war.