In THR's first ever live roundtable, Bryan Cranston (Last Flag Flying), Armie Hammer (Call Me By Your Name), Robert Pattinson (Good Time), Diane Kruger (In The Fade), Margot Robbie (I, Tonya) and Octavia Spencer (The Shape of Water) sat down before a studio audience for The Hollywood Reporter's inaugural movie star summit about their craft, the cons of social media and how one ended up with a severed human foot.