Directed by Adam McKayWritten by Adam McKay, David Sirota.  Leonardo DiCaprio, Jennifer Lawrence, Rob Morgan, Meryl Streep, Jonah Hill, Mark Rylance, Cate Blanchett, Tyler Perry, Melanie Lynskey, Ron Perlman,  Ariana Grande, Scott Mescudi, Himesh Patel, Michael Chiklis, Paul Guilfolye, Robert Joy, Hettienne Park.  Two astronauts in a low budget astronomy centre find a comet that is…