<P> A new original story by Bruce Timm . Kevin Conroy and Melissa Rauch voiced the titular roles, while Loren Lester reprised his role of Dick Grayson / Nightwing from Batman: The Animated Series and The New Batman Adventures, and Paget Brewster voiced Poison Ivy . The film's visual style is similar to that of The New Batman Adventures . The film was released on digital on August 15, 2017 before releasing on DVD and Blu - ray on August 29 . </P> <P> The rest of the cast consisted of Kevin Michael Richardson as Floronic Man, John DiMaggio as Swamp Thing, and Bruce Timm as Booster Gold . </P> <P> A film based on the Elseworlds story Gotham by Gaslight . </P> <P> Coming in spring 2018, the film will be the first Suicide Squad story in the DC Animated Movie Universe continuity . Although Batman: Assault on Arkham previously featured the Suicide Squad, that film is set in the Batman: Arkham video game universe . The slated voice cast includes Christian Slater as Deadshot, Tara Strong as Harley Quinn, Vanessa Williams as Amanda Waller, Billy Brown as Bronze Tiger, Liam McIntyre as Captain Boomerang, Kristin Bauer van Straten as Killer Frost, and Gideon Emery as Copperhead . </P>

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