diff --git a/src/collective/task/browser/attribute_task.py b/src/collective/task/browser/attribute_task.py
index bc58919..c9b60e0 100644
--- a/src/collective/task/browser/attribute_task.py
+++ b/src/collective/task/browser/attribute_task.py
@@ -1,3 +1,5 @@
+from copy import deepcopy
+
 from z3c.form import button
 from z3c.form.field import Fields
 from z3c.form.interfaces import HIDDEN_MODE
@@ -70,13 +72,18 @@ class AttributeTask(DefaultAddForm):
         if errors:
             self.status = self.formErrorsMessage
             return
-        obj = self.createAndAdd(data)
+        obj = None
+        for responsible in data['responsible']:
+            _data = deepcopy(data)
+            _data['responsible'] = [responsible]
+            obj = self.createAndAdd(_data)
         if obj is not None:
             # mark only as finished if we get the new object
             self._finishedAdd = True
             IStatusMessage(self.request).addStatusMessage(DMF(u"Item created"), "info")
             # set Editor role to task responsible on the first non Task object in acquisition
             nontask = find_nontask(parent_task)
-            nontask.manage_addLocalRoles(obj.responsible[0], ['Editor',])
+            for responsible in data['responsible']:
+                nontask.manage_addLocalRoles(responsible, ['Editor',])
             nontask.reindexObjectSecurity()
             self.immediate_view = "%s/content_status_modify?workflow_action=%s" % (container_url, workflow_action)
diff --git a/src/collective/task/content/task.py b/src/collective/task/content/task.py
index 09c2bd0..63e0172 100644
--- a/src/collective/task/content/task.py
+++ b/src/collective/task/content/task.py
@@ -1,14 +1,30 @@
 from zope.interface import implements
+from zope import schema
 
+from plone.autoform import directives as form
 from plone.dexterity.content import Container
 from plone import api
 
+from collective.z3cform.rolefield.field import LocalRolesToPrincipals
+from collective.dms.basecontent.widget import AjaxChosenMultiFieldWidget
+
+from collective.task import _
 from collective.task.interfaces import IBaseTask, IDeadline
 
 
 class ITask(IBaseTask, IDeadline):
     """Schema for task"""
-    pass
+
+    responsible = LocalRolesToPrincipals(
+        title=_(u"Addressees"),
+        roles_to_assign=('Editor',),
+        value_type=schema.Choice(
+            vocabulary="dms.principals"
+        ),
+        min_length=1,
+        required=True,
+    )
+    form.widget(responsible=AjaxChosenMultiFieldWidget)
 
 
 class Task(Container):
diff --git a/src/collective/task/indexers.py b/src/collective/task/indexers.py
index c24a1e4..d67aa5c 100644
--- a/src/collective/task/indexers.py
+++ b/src/collective/task/indexers.py
@@ -20,12 +20,12 @@ def get_document(obj):
 
 @indexer(IBaseTask)
 def enquirer(obj, **kw):
-    return obj.enquirer and obj.enquirer[0] or ''
+    return obj.enquirer and obj.enquirer or []
 
 
 @indexer(IBaseTask)
 def responsible(obj, **kw):
-    return obj.responsible and obj.responsible[0] or ''
+    return obj.responsible and obj.responsible or []
 
 
 @indexer(IBaseTask)
diff --git a/src/collective/task/subscribers.py b/src/collective/task/subscribers.py
index 83599f3..230f6f2 100644
--- a/src/collective/task/subscribers.py
+++ b/src/collective/task/subscribers.py
@@ -25,8 +25,8 @@ log = getLogger(__name__)
 
 def grant_local_role_to_responsible(context, role, target):
     """Grant local role to responsible on target"""
-    responsible = context.responsible[0]
-    target.manage_addLocalRoles(responsible, [role])
+    for responsible in context.responsible:
+        target.manage_addLocalRoles(responsible, [role])
     target.reindexObject()