diff --git a/source/gameengine/Converter/BL_ActionActuator.cpp b/source/gameengine/Converter/BL_ActionActuator.cpp
index 46ad344c5dd..9102c453a16 100644
--- a/source/gameengine/Converter/BL_ActionActuator.cpp
+++ b/source/gameengine/Converter/BL_ActionActuator.cpp
@@ -1055,7 +1055,7 @@ int BL_ActionActuator::py_setattro(PyObject *attr, PyObject* value) {
 PyObject* BL_ActionActuator::pyattr_get_action(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef)
 {
 	BL_ActionActuator* self= static_cast<BL_ActionActuator*>(self_v);
-	return PyString_FromString(self->GetAction()->id.name+2);
+	return PyString_FromString(self->GetAction() ? self->GetAction()->id.name+2 : "");
 }
 
 int BL_ActionActuator::pyattr_set_action(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef, PyObject *value)
diff --git a/source/gameengine/Converter/BL_ShapeActionActuator.cpp b/source/gameengine/Converter/BL_ShapeActionActuator.cpp
index a6dbf088ee3..d52cc8cfccc 100644
--- a/source/gameengine/Converter/BL_ShapeActionActuator.cpp
+++ b/source/gameengine/Converter/BL_ShapeActionActuator.cpp
@@ -886,7 +886,7 @@ PyObject* BL_ShapeActionActuator::PySetType(PyObject* self,
 PyObject* BL_ShapeActionActuator::pyattr_get_action(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef)
 {
 	BL_ShapeActionActuator* self= static_cast<BL_ShapeActionActuator*>(self_v);
-	return PyString_FromString(self->GetAction()->id.name+2);
+	return PyString_FromString(self->GetAction() ? self->GetAction()->id.name+2 : "");
 }
 
 int BL_ShapeActionActuator::pyattr_set_action(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef, PyObject *value)
diff --git a/source/gameengine/Expressions/ListValue.cpp b/source/gameengine/Expressions/ListValue.cpp
index 15eb8835b79..d0aec645468 100644
--- a/source/gameengine/Expressions/ListValue.cpp
+++ b/source/gameengine/Expressions/ListValue.cpp
@@ -430,6 +430,10 @@ bool CListValue::CheckEqual(CValue* first,CValue* second)
 	bool result = false;
 
 	CValue* eqval =  ((CValue*)first)->Calc(VALUE_EQL_OPERATOR,(CValue*)second);
+	
+	if (eqval==NULL)
+		return false;
+		
 	STR_String txt = eqval->GetText();
 	eqval->Release();
 	if (txt=="TRUE")
@@ -479,7 +483,7 @@ PyObject* CListValue::Pycount(PyObject* self, PyObject* value)
 	
 	if (checkobj==NULL) { /* in this case just return that there are no items in the list */
 		PyErr_Clear();
-		PyInt_FromLong(0);
+		return PyInt_FromLong(0);
 	}
 
 	int numelem = GetCount();
@@ -503,7 +507,8 @@ PyObject* CListValue::Pycount(PyObject* self, PyObject* value)
  * --------------------------------------------------------------------- */
 CValue* CListValue::Calc(VALUE_OPERATOR op,CValue *val) 
 {
-	assert(false); // todo: implement me!
+	//assert(false); // todo: implement me!
+	fprintf(stderr, "CValueList::Calc not yet implimented\n");
 	return NULL;
 }
 
@@ -513,7 +518,8 @@ CValue* CListValue::CalcFinal(VALUE_DATA_TYPE dtype,
 							  VALUE_OPERATOR op, 
 							  CValue* val) 
 {
-	assert(false); // todo: implement me!
+	//assert(false); // todo: implement me!
+	fprintf(stderr, "CValueList::CalcFinal not yet implimented\n");
 	return NULL;
 }
 
diff --git a/source/gameengine/Ketsji/KX_SceneActuator.cpp b/source/gameengine/Ketsji/KX_SceneActuator.cpp
index f158eb29dd7..e1cd3d45503 100644
--- a/source/gameengine/Ketsji/KX_SceneActuator.cpp
+++ b/source/gameengine/Ketsji/KX_SceneActuator.cpp
@@ -469,7 +469,7 @@ PyObject* KX_SceneActuator::PyGetCamera(PyObject* self,
 {
 	ShowDeprecationWarning("getCamera()", "the camera property");
 	if (m_camera) {
-		PyString_FromString(m_camera->GetName());
+		return PyString_FromString(m_camera->GetName());
 	}
 	else {
 		Py_RETURN_NONE;