An entire theatre goes pitch-black for a hair-rising climax. A surprise, gasp-inducing appearance acts as an exclamation point on a show's final seconds. Thrillers—tightly plotted dramas that kept audiences on the edge of their seats in collective suspense—used to be a staple of Broadway. In fact, some of the longest-running non-musicals in Broadway history were thrillers, including Deathtrap and Sleuth.
In honor of the Halloween season, see how many you can recognize from their Playbill covers.