diff --git a/pandora/item/models.py b/pandora/item/models.py
index 3750d3ac0..6f7e45b5f 100644
--- a/pandora/item/models.py
+++ b/pandora/item/models.py
@@ -307,6 +307,11 @@ class Item(models.Model):
             response = external_data('getData', {'id': self.public_id})
             if response['status']['code'] == 200:
                 self.external_data = response['data']
+                keys = [
+                    k['id'] for k in settings.CONFIG['itemKeys']
+                ] + settings.ADDITIONAL_IMDB_KEYS
+                for key in set(self.external_data) - set(keys):
+                    del self.external_data[key]
                 self.save(sync=True)
                 if poster_url != self.prefered_poster_url():
                     self.remove_poster()
diff --git a/pandora/settings.py b/pandora/settings.py
index 22229d7d4..a8e59fed0 100644
--- a/pandora/settings.py
+++ b/pandora/settings.py
@@ -217,6 +217,11 @@ POSTER_PRECEDENCE = ()
 POSTER_ONLY_PORTRAIT = ()
 
 USE_IMDB = False
+ADDITIONAL_IMDB_KEYS = [
+    'cast',
+    'links', 'reviews', 'posters',
+    'alternativeTitles', 'originalTitle',
+]
 
 #If you set VIDEO_PREFIX make sure cookies work accros subsomains
 #by setting SESSION_COOKIE_DOMAIN to ".domain.tld"