Underworld Skuespillere og folkene bag
Denis LearyJohnny Crown / Johnny Alt Joe MantegnaFrank Gavilan / Frank Cassady / Richard Essex Annabella SciorraDr. Leah Larry BishopNed Lynch / Forfatter Jimmie F. SkaggsSmilin' Phil Fox / Todd Streeb James TolkanDan 'Iceberg' Eagan Heidi SchanzJoyce Alt / Simone Michael David SimmsMitch Reed Roger ChristianInstruktør Larry BishopNed Lynch / Forfatter Steven BernsteinDirector Of Photography Anthony MarinelliKomponist af original musik 
