GREYHOUND – Official Trailer (HD) Trailer for the movie Greyhound (2020). By Task & Purpose | Published Mar 5, 2020 8:44 PM Entertainment SHARE Trailer for the movie Greyhound (2020). Task & Purpose greyhound movie tom hanks trailer MORE TO READ RELATED China’s biggest movie is about how a US Marine division held off 12 Chinese divisions As if 'The Hurt Locker' wasn't bad enough. READ NOW RELATED Hollywood is already making a movie about the Afghanistan withdrawal Too soon? RELATED The best military books we read this year Here’s a brief list of some of the best books we read here at Task & Purpose in the last year.