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

Searching for Suzy Kendall

Is Adventures of a Private Eye available on iTunes, Amazon Prime, Netflix or Now TV?
Is The Bird with the Crystal Plumage available on iTunes, Amazon Prime, Netflix or Now TV?
Is To Sir, with Love available on iTunes, Amazon Prime, Netflix or Now TV?
Is Up the Junction available on iTunes, Amazon Prime, Netflix or Now TV?