Find out if a film is on iTunes, Amazon Prime, Netflix or Now TV

Searching for Roy Scheider

Is 2010: The Year We Make Contact available on iTunes, Amazon Prime, Netflix or Now TV?
Is Blue Thunder available on iTunes, Amazon Prime, Netflix or Now TV?
Is Jaws available on iTunes, Amazon Prime, Netflix or Now TV?
Is Jaws 2 available on iTunes, Amazon Prime, Netflix or Now TV?
Is Klute available on iTunes, Amazon Prime, Netflix or Now TV?
Is Marathon Man available on iTunes, Amazon Prime, Netflix or Now TV?
Is Still of the Night available on iTunes, Amazon Prime, Netflix or Now TV?
Is The French Connection available on iTunes, Amazon Prime, Netflix or Now TV?
Is The Russia House available on iTunes, Amazon Prime, Netflix or Now TV?