Harley Quinn is hosting SNL! Margot Robbie whose credits include The Wolf of Wall Street, and Suicide Squad will host the season premiere of the sketch comedy show. The Weeknd will serve as the musical guest

The show has added three new cast members – Mikey Day (who served as a writer on the show), Alex Moffat and Melissa Villaseñor.

The season premiere of SNL airs Oct. 1 on NBC.