gistfile1.js

var url = 'https://api.themoviedb.org/3/movie/';

imdb_id = 'tt0102685';
key = '?api_key=9a2c8fe3fd95dcd12c59204ad2899b9e';
append = '&append_to_response=credits';
$.ajax({
    type: 'GET',
    url: url + imdb_id + key + append,
    dataType: 'jsonp',
    success: function(data) {
      data.credits.crew.forEach(function(person) { 
       if (person.job == 'Director') { 
        //do something
        console.log(person);
       }
      });
    },
});