Steven Berkoff - Addison Leach; Alan Autry - Joe Wilkes; Jason Beghe; Jack Betts - Conference Dr. #1; Rosalind Chao; François Chau - Lab Technician; Joseph Cousins - Timmy; Warren Frost; Lorry Goldman; Sal Lopez - Javier Perez; Robert Mandan; Melora Marshall - Ruth Kennedy; Virginia Morris - Gynecologist; Gary Munch - Doctor #2; John Snyder - Priest; Mills Watson - Nebraska Sheriff; Michael Cavanaugh - Soil Specialist; G.D. Spradlin - General Hanley; Lucy Butler - Margaret Hussey; Rick Cicetti - Crash Site M.P.; Joe Faust - Doctor #3; Courtney Barilla - Young Mary; Steven M. Gagnon - Dan Blatt
Credit
Christopher S. Nushawg - Art Director, Stuart Benjamin - Co-producer, Dan Curtis - Director, Bill Blunden - Editor, Michael Apted - Executive Producer, Robert O'Connor - Executive Producer, Robert Cobert - Composer (Music Score), Bryan Ryman - Production Designer, Tom Priestley Jr. - Cinematographer, Dan Curtis - Producer, Branko Lustig - Producer, Barry Oringer - Screenwriter
