Twelve crewmembers were stored in a cargo bay on board the Enterprise-D. Doctor Crusher examined these bodies when she heard noises and in the following hallucination, the dead bodies sat up. (TNG: "Night Terrors")
At the first day of shooting, Tuesday 8 January1991 the production planned to use thirteen mannequins and the performers Val and Moriarty, having fifteen dead bodies. This was dropped on Thursday 10 January1991 when only twelve dead bodies were required and second assistant director Adele G. Simmons placed real background performers under the body bags instead of mannequins.