diff --git a/tractor/__init__.py b/tractor/__init__.py
index 85d759c..cd7efea 100644
--- a/tractor/__init__.py
+++ b/tractor/__init__.py
@@ -46,9 +46,11 @@ from ._debug import breakpoint, post_mortem
 from . import msg
 from ._root import run, run_daemon, open_root_actor
 from ._portal import Portal
+from ._runtime import Actor
 
 
 __all__ = [
+    'Actor',
     'Channel',
     'Context',
     'ContextCancelled',
diff --git a/tractor/_debug.py b/tractor/_debug.py
index 9f8a704..4e55f17 100644
--- a/tractor/_debug.py
+++ b/tractor/_debug.py
@@ -643,7 +643,7 @@ def shield_sigint(
 
 
 def _set_trace(
-    actor: Optional[tractor._actor.Actor] = None,
+    actor: Optional[tractor.Actor] = None,
     pdb: Optional[MultiActorPdb] = None,
 ):
     __tracebackhide__ = True
@@ -676,7 +676,7 @@ breakpoint = partial(
 
 
 def _post_mortem(
-    actor: tractor._actor.Actor,
+    actor: tractor.Actor,
     pdb: MultiActorPdb,
 
 ) -> None: