Arthur Hill
Dr. Jeremy Stone
David Wayne
Dr. Charles Dutton
Kate Reid
Dr. Ruth Leavitt
Peter Hobbs
General Sparks
Kermit Murdock
Dr. Robertson
Eric Christmas
Senator from Vermont
Mark Jenkins
Lt. Shawn (Piedmont team)
Peter Helm
Sgt. Crane (Piedmont team)
Joe Di Reda
Wildfire Computer Sgt. Burk
Ken Swofford
Toby (technician)
Richard Bull
Air Force Major
John Carter
MP Capt. Morton
Glenn Langan
Cabinet Secretary (uncredited)
Sandra de Bruin
Technician (uncredited)
Susan Brown
Allison Stone (uncredited)
Bart La Rue
Medic Captain (uncredited)
Walter Brooke
Assistant to Cabinet Secretary (uncredited)
Jan Burrell
Mother - Piedmont (uncredited)
Dee Carroll
Technician (uncredited)
Michael Crichton
Bearded Surgeon (uncredited)
David McLean
Sen. McKenzie (uncredited)
Emory Parnell
Pete 'Old Doughboy' Arnold (uncredited)
Michael Pataki
Operator of 'The Hand' (uncredited)
Quinn K. Redeker
Capt. Morris (uncredited)
Garry Walberg
Technician (uncredited)
Len Wayland
Utah Crash Site Officer (uncredited)
Jason Johnson
Dr. Benedict (uncredited)
