Thanks to Kelly H. for this one.
From Comicbookmovie.com via MTV:
Margot Robbie (The Wolf of Wall Street) talks here for the first time about being cast as Harley Quinn in David Ayer’s Suicide Squad, sharing her thoughts on the pressure with playing a beloved character, the voice, and working alongside Jared Leto as The Joker. Check it out!
Sadly, I cannot embed the video, but it can be seen here.