Babylon 5 is a five-mile long space station located in neutral space. Built by the Earth Alliance in the 2250s, it's goal is to maintain peace among the various alien races by providing a sanctuary where grievances and negotiations can … Jerry Doyle, Mira Furlan, Richard Biggs, Andreas Katsulas, Peter Jurasik, Stephen Furst, Bill Mumy Added on HBO 2022-06-16.