diff --git a/src/as/com/threerings/cast/CompositedActionFrames.as b/src/as/com/threerings/cast/CompositedActionFrames.as
index 6b2e992a..ad3d96ce 100644
--- a/src/as/com/threerings/cast/CompositedActionFrames.as
+++ b/src/as/com/threerings/cast/CompositedActionFrames.as
@@ -88,12 +88,12 @@ public class CompositedActionFrames
                 createFrames(orient, function(disp :MultiFrameBitmap) :void {
                     _frameCache.put(key, disp);
                     for each (var func :Function in listeners) {
-                        func(disp);
+                        func(disp.clone());
                     }
                 });
             }
         } else {
-            callback(disp);
+            callback(disp.clone());
         }
     }
 
diff --git a/src/as/com/threerings/cast/MultiFrameBitmap.as b/src/as/com/threerings/cast/MultiFrameBitmap.as
index 55536c42..7146d27b 100644
--- a/src/as/com/threerings/cast/MultiFrameBitmap.as
+++ b/src/as/com/threerings/cast/MultiFrameBitmap.as
@@ -36,6 +36,7 @@ public class MultiFrameBitmap extends Sprite
     {
         _frames = frames;
         _bitmap = new Bitmap();
+        _fps = fps;
         _frameRate = fps / 1000.0;
         addChild(_bitmap);
         setFrame(0);
@@ -90,6 +91,11 @@ public class MultiFrameBitmap extends Sprite
         }
     }
 
+    public function clone () :MultiFrameBitmap
+    {
+        return new MultiFrameBitmap(_frames, _fps);
+    }
+
     protected var _frames :Array;
 
     protected var _bitmap :Bitmap;
@@ -98,6 +104,8 @@ public class MultiFrameBitmap extends Sprite
 
     protected var _frameRate :Number;
 
+    protected var _fps :Number;
+
     protected var _curFrameIndex :int = -1;
 }
 }
\ No newline at end of file