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

Searching for John Madden

Is Captain Corelli's Mandolin available on iTunes, Amazon Prime, Netflix or Now TV?
Is Killshot available on iTunes, Amazon Prime, Netflix or Now TV?
Is Miss Sloane available on iTunes, Amazon Prime, Netflix or Now TV?
Is Shakespeare in Love available on iTunes, Amazon Prime, Netflix or Now TV?
Is The Best Exotic Marigold Hotel available on iTunes, Amazon Prime, Netflix or Now TV?
Is The Debt available on iTunes, Amazon Prime, Netflix or Now TV?
Is The Second Best Exotic Marigold Hotel available on iTunes, Amazon Prime, Netflix or Now TV?