diff --git a/requirements.txt b/requirements.txt
index 6185bf1..7dc4ffd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,4 @@ Pillow
 psycopg2-binary
 httpx
 django-tastypie
-# django-admin-list-filter-dropdown
+django-admin-list-filter-dropdown
diff --git a/source/main/admin.py b/source/main/admin.py
index ff57196..18cebfe 100644
--- a/source/main/admin.py
+++ b/source/main/admin.py
@@ -29,8 +29,9 @@ class AdminPerson(admin.ModelAdmin):
         'country',
         'is_actor',
         'is_director')
+        'is_woman')
     search_fields = ('name',)
-    list_filter = ('is_actor', 'is_director', 'country')
+    list_filter = ('is_woman', 'is_actor', 'is_director', 'country')
 
 
 @admin.register(models.Movie)
diff --git a/source/main/migrations/0004_auto_20210807_2207.py b/source/main/migrations/0004_auto_20210807_2207.py
new file mode 100644
index 0000000..a41e3f4
--- /dev/null
+++ b/source/main/migrations/0004_auto_20210807_2207.py
@@ -0,0 +1,28 @@
+# Generated by Django 3.2.6 on 2021-08-07 22:07
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('main', '0003_movie_is_digital'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='person',
+            name='is_woman',
+            field=models.BooleanField(default=False, verbose_name='Es mujer'),
+        ),
+        migrations.AlterField(
+            model_name='country',
+            name='name',
+            field=models.CharField(max_length=250, verbose_name='País'),
+        ),
+        migrations.AlterField(
+            model_name='movie',
+            name='actors',
+            field=models.ManyToManyField(blank=True, related_name='actors', to='main.Person'),
+        ),
+    ]
diff --git a/source/main/models.py b/source/main/models.py
index a954867..924541e 100644
--- a/source/main/models.py
+++ b/source/main/models.py
@@ -4,6 +4,7 @@ from django.db import models
 
 
 class Gender(models.Model):
+    id = models.AutoField(primary_key=True)
     name = models.CharField(max_length=250)
 
     class Meta:
@@ -17,6 +18,7 @@ class Gender(models.Model):
 
 
 class Country(models.Model):
+    id = models.AutoField(primary_key=True)
     name = models.CharField(max_length=250, verbose_name='País')
 
     class Meta:
@@ -41,6 +43,7 @@ class PersonQuerySet(models.QuerySet):
 
 
 class Person(models.Model):
+    id = models.AutoField(primary_key=True)
     name = models.CharField('Nombre',
         max_length=500)
     country = models.ForeignKey(Country,
@@ -51,6 +54,8 @@ class Person(models.Model):
         default=False)
     is_director = models.BooleanField('Es Director',
         default=False)
+    is_woman = models.BooleanField('Es mujer',
+        default=False)
     photo = models.ImageField('Fotografía', upload_to='%Y/%m/%d/',
         null=True, blank=True)
     objects = PersonQuerySet.as_manager()
@@ -133,6 +138,7 @@ def upload_cartel(instance, filename):
 
 
 class Movie(models.Model):
+    id = models.AutoField(primary_key=True)
     name = models.CharField('Nombre',
         max_length=1000)
     original_name = models.CharField('Nombre original',