"CSI: Crime Scene Investigation" Viva Las Vegas (TV Episode ) cast and crew credits, including actors, actresses, directors, writers and more. Jump to Cast and characters - CSI: Crime Scene Investigation. William Petersen. Marg Helgenberger. Ted Danson. Gary Dourdan. George Eads. Paul Guilfoyle. Jorja Fox. Eric d shows: CSI: Miami; CSI: NY; CSI: Cyber.