What We Left Behind: Looking Back at Star Trek: Deep Space Nine is a 2019 English-language movie created by Rick Berman and Michael Piller. What We Left Behind: Looking Back at Star Trek: Deep Space Nine was produced under the production house Paramount Domestic Television. The film originally aired on Syndication. What we left behind: looking back at star trek: deep space nine features Avery Brooks, Ren Auberjonois, Terry Farrell, Cirroc Lofton, Colm Meaney, Armin Shimerman and Nicole De Boer. The film is based on Star Trek by Gene Roddenberry. The music was composed by Dennis Mccarthy. The movie has a running time of 45 minutes. and it received positive reviews from critics when it was released. Distribution rights for the motion picture were acquired by Paramount Domestic Television.