The movie crew will film in Bethlehem during the first week of June and will use the blast furnaces as the scene's backdrop, Callahan said. ''It's going to bring a tremendous amount of excitement to the city,'' especially for any locals who nab walk-on roles, he added. According to an announcement from Heery Casting of Philadelphia, the filmmakers hope to cast local ''Asian men and women, boys and girls, ages 7 [to] 65'' as paid extras in the movie. In particular, the crew hopes to recruit extras of Asian descent who have military backgrounds....says THIS ARTICLE at The Morning Call. The story also features a picture of the location...should look pretty amazing on screen. Also, the folks over at IGN interviewed co-scripter Roberto Orci about the project. Orci says that Soundwave (and possibly Ravage) will appear in the film, about which he said this:
I think the second one will deliver on a true Transformers story. You know, the first one, we had a limited budget for what it was. Every second of Transformer time is a million dollars or whatever the heck it is, so this time, because we were able to prove through the whole thing that it's a viable live-action movie, we have a little more freedom this time to actually learn about the Transformers, see them, hear them. It's a better balance between the humans and the Transformers.This from the IGN article you can find HERE. There are a few more interesting details; check it out. The project starts filming in three weeks.