Thou Shalt Not Steal is a 1896 Australian stage play by Alfred Dampier.
It enabled Lily Dampier to play a dual role.
[3][4] The Mercury called it "a melodrama full of picturesqueness, incident, and humour.
"[5] The Sportsman said it was "well written and consistently worked ont, is fell of variety, humor and of tbe life and bustle so much to the taste of the modern playgoers.
There was another play called Thou Shalt Not Steal so he retited it A Cruel Test.