You can edit the shadow caster mask for the sprite I believe in its behavior properties, but you may find more exact help in the scirra.com/forum/forum26.html section for Construct Classic <img src="smileys/smiley1.gif" border="0" align="middle" />
Oh.. Okay.. Didn't know there was a forum for Classic...
Thanks... what you said helped.
I'll carry this forward to the Classic Forums :)
Sorry for posting in the wrong place. :P