thought "the monster's going to be enough." The planned released date was originally Christmas 1989 before being moved to an early summer date. Casting Initially, Orion was skeptical of casting Weller, under the reasoning that the audience would find RoboCop the same if another actor was under the helmet, similar to the titular character of Universal's The Mummy. Weller himself was also skeptical coming back; he disliked Neumeier and Miner's draft as a "cartoon" and lacking in tension, felt not "complete with the character" thinking "there was something else to say with it," and wondered if he should do months of training for acting in a RoboCop suit or get paid for filming in the Caribbean for ten weeks. Ultimately, Weller returned for Miller and Green's new screenplay, and the fact that he would again work with mime Moni Yakim, who developed RoboCop movements for Weller in the first film; he praised him as the "magic element" to solve all of a crew's problems. Additionally, Russell Towery returned as Weller's stunt double, with Weller more dependent on him than the first movie. Allen, despite already having played a cop character in the first RoboCop, still made preparations for shooting RoboCop 2; she learned martial arts and spent two months of training at a Los Angeles police academy. Although Cain was originally planned to be a typical professionally-suited drug dealer, his actor, Tom Noonan, came up with the character being a former hippie, with the actor using his experience as one in the 1960s. Filming RoboCop 2 was chiefly filmed in Houston. Kershner mentioned that Houston was an ideal location due to the relative calmness of Downtown Houston at night. He also claimed that they were shooting in winter, and snow and rain would be an inappropriate climate for film production. Jefferson Davis Hospital was used as the location for the Nuke manufacturing plant. The finale of the film was shot in the Houston Theater District near Wortham Theater Center and Alley Theatre. Cullen Center was depicted as the headquarters of Omni Consumer Products, while Houston City Hall was shown in a scene in which Mayor Kuzak speaks to the press. The George R. Brown Convention Center and the Bank of America Center were also included in the film. Additional footage was filmed at the decommissioned Hiram Clarke Power Plant. With Kershner's first few weeks spent storyboarding the visual effects during