Cara Delevingne had a major role as Katie Talon in Buckingham Feast .
Her first major roles were as Margo Roth Spiegelman in the romantic mystery film Paper Towns -LRB- 2015 -RRB- , Kath Talent in London Fields , and the Enchantress in the comic book film Suicide Squad -LRB- 2016 -RRB- .
Cara Delevingne