how make a template's link using get_object_or_404 by pk=id

Hello everyone thanks in advance on the aid, I'm new in programming in general. I would like to create a link (in Film.html) and using the ID to open a new page (Attore.html) where to load only the data associated with that ID but it doesn't do that since it loads all data of attori instead of only one but I don't understand where it's the error.

Here is the code a little simplified.

models.py :

from django.db import models    class Attore( models.Model ):      nome = models.CharField( max_length=30 )      cognome = models.CharField( max_length=30 )      foto = models.CharField( max_length=100 )      data_inserimento = models.DateField( null=True, verbose_name="data d'inserimento" )      def __unicode__(self):          return self.nome + " " + self.cognome + " " + self.foto      class Meta:          verbose_name_plural = "Attori"    class Film( models.Model ):      titolo = models.CharField( max_length=39 )      trama = models.CharField( max_length=1000 )      locandina = models.CharField( max_length=100 )      copertina = models.CharField( max_length=100 )      data_inserimento = models.DateField( null=True, verbose_name="data d'inserimento" )      attori = models.ManyToManyField( Attore )      def __unicode__(self):          return self.titolo + " " + self.trama + " " + self.locandina + " " + self.copertina      class Meta:          verbose_name_plural = "Film"

views.py :

from django.shortcuts import render_to_response, get_object_or_404  from django.template import RequestContext  from models import *    def film(request):      film = Film.objects.order_by("titolo")      return render_to_response('Film.html', { 'film': film, })    def film_attore(request, id):      get_attore_id = get_object_or_404( Attore, pk=id )      return render_to_response('Attore.html', { 'film': Film.objects.filter( attori=get_attore_id ), 'attor': get_attore_id })

urls.py

from django.conf.urls.defaults import *    urlpatterns = patterns('',          (r'^Film$', 'Database.views.film'),      (r'^Attore/(\d+)/$', 'Database.views.film_attore'),  )

Template:

Film.html :

{% extends "Base.html" %}    {% block titolo %}Film{% endblock %}    {% block contenuto %}    {% for dato in film %}      {% for attore in dato.attori.all %}        <a href="/Database/Attore/{{ attore.id }}">{{ attore.nome }} {{ attore.cognome }}</a>      {% endfor %}    {% endfor %}  {% endblock %}

Attore.html :

{% extends "Base.html" %}    {% block titolo %}Attore{% endblock %}    {% block contenuto %}    {% for dato in film %}      {% for attore in dato.attori.all %}        <h2>{{ attore.nome }} {{ attore.cognome }}</h2>      {% endfor %}    {% endfor %}  {% endblock %}

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