Netflix's 'Leave the World Behind' confronts apocalypse amid mysterious cyberattack

Julia Roberts and Ethan Hawke play a couple whose vacation is disrupted by strangers warning of an attack.
Film is based on the novel by Rumaan Alam and directed by 'Mr. Robot' creator Sam Esmail.
Mahershala Ali and Kevin Bacon co-star as characters facing the impending disaster.
Barack and Michelle Obama's production company backed the big-budget thriller.
Dual release strategy will premiere in theaters November 22 before Netflix streaming December 8.