The stars of Quantico take their FBI duties seriously, at least on screen. But behind the scenes? There is way more laughter and selfies than you would expect from a group of talented actors who play agents trying to stop a bomb from going off in New York City [1]. Luckily for us, they don't mind sharing these behind-the-scenes snaps of their adventures. We've learned that a trio of ladies call themselves the "Power Puff girls," group karaoke sessions do happen, and some actors prefer to run their lines in onesies. See all the fun cast moments ahead, and then check out more adorable cast photos from your favorite shows [2].