Margot Robbie speaks about Harley Quinn’s accent in the Suicide Squad and what she assumes it’ll sound like, as her accent has yet to be confirmed for the film.
“None of those things have been set in stone at this point, but according to the comics, she’s from New York and I think Brooklyn, so there may be a slight… I couldn’t imagine it would be as strong as the Wolf of Wall Street accent,” she said. “The lingo will be the difference between that and the other character I played in ‘Wolf’ but I don’t know yet. We haven’t spoken about it.”
Here’s a sample of Robbie’s accent in The Wolf of Wall Street: