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

Searching for Steve McQueen

Is 12 Years a Slave available on iTunes, Amazon Prime, Netflix or Now TV?
Is Bullitt available on iTunes, Amazon Prime, Netflix or Now TV?
Is Hell Is for Heroes available on iTunes, Amazon Prime, Netflix or Now TV?
Is Hunger available on iTunes, Amazon Prime, Netflix or Now TV?
Is Le Mans available on iTunes, Amazon Prime, Netflix or Now TV?
Is Love with the Proper Stranger available on iTunes, Amazon Prime, Netflix or Now TV?
Is Nevada Smith available on iTunes, Amazon Prime, Netflix or Now TV?
Is Never So Few available on iTunes, Amazon Prime, Netflix or Now TV?
Is Papillon available on iTunes, Amazon Prime, Netflix or Now TV?
Is Shame available on iTunes, Amazon Prime, Netflix or Now TV?
Is The Great Escape available on iTunes, Amazon Prime, Netflix or Now TV?
Is The Magnificent Seven available on iTunes, Amazon Prime, Netflix or Now TV?
Is The Sand Pebbles available on iTunes, Amazon Prime, Netflix or Now TV?
Is The Towering Inferno available on iTunes, Amazon Prime, Netflix or Now TV?
Is Tom Horn available on iTunes, Amazon Prime, Netflix or Now TV?