diff --git a/stepmania/Themes/default/Scripts/Actor.lua b/stepmania/Themes/default/Scripts/Actor.lua
index f90a0f2e51..6b2ca1e45e 100644
--- a/stepmania/Themes/default/Scripts/Actor.lua
+++ b/stepmania/Themes/default/Scripts/Actor.lua
@@ -92,6 +92,10 @@ function Actor:align(h, v)
 	self:valign( v );
 end
 
+function Actor:FullScreen()
+	self:stretchto( 0,0,SCREEN_WIDTH,SCREEN_HEIGHT );
+end
+
 -- Most backgrounds are 640x480.  Some are 768x480.  Stretch the 640x480 ones.
 function Actor:scale_or_crop_background()
 	if self:GetWidth() == 640 and self:GetHeight() == 480 then