Who is the principal cast of THE TWIN: Who Are They? And Who Are We? Karl, an empathetic freelance reporter, follows the life adventures of eight strong-minded heroines, eventually drawn into the story himself. Will he survive his trip through the wormhole? Pam, a scientist, creates an e-clone of herself; the virtual Pam now pilots the shuttle between Earth and Twin. See Karl meeting Pam in virtual reality within the space capsule. Alpha, Delta, and Echo are members of the original team of Colorado teens who captured the signal from Twin’s capsule. The contrast between the twin planets gives both…