Season Number: 3	Production (Airing) Number: 472 (72)
Guest Stars:	Lawrence Pressman - Krajensky Kenneth Marshall - Lt. Cmdr. Eddington Jeff Austin - Bolian
Director:	Alexander Singer
Writing:	Ira Steven Behr & Robert Hewitt Wolfe
Summary:	One of Odo's people tricks Sisko and the crew into actions that could start a war in the Alpha quadrant. An enemy among us. How can the crew stop a deadly alien - who looks exactly like one of them? Which crew member is deadly alien in disguise?