diff --git a/include/osg/Callback b/include/osg/Callback
index 35480a39c..02a517168 100644
--- a/include/osg/Callback
+++ b/include/osg/Callback
@@ -121,6 +121,32 @@ class OSG_EXPORT Callback : public virtual Object {
             }
         }
 
+        /** Convenience method to find a nested callback by type. */
+        template <typename T>
+        static T* findNestedCallback(osg::Callback* callback)
+        {
+            if (!callback)
+                return NULL;
+
+            if (T* cb = dynamic_cast<T*>(callback))
+                return cb;
+
+            return findNestedCallback<T>(callback->getNestedCallback());
+        }
+
+        /** Convenience method to find a nested callback by type. */
+        template <typename T>
+        static const T* findNestedCallback(const osg::Callback* callback)
+        {
+            if (!callback)
+                return NULL;
+
+            if (const T* cb = dynamic_cast<const T*>(callback))
+                return cb;
+
+            return findNestedCallback<T>(callback->getNestedCallback());
+        }
+
     protected:
 
         virtual ~Callback() {}