Peter Hobbs

General Sparks

Sandra de Bruin

Technician (uncredited)

James Olson

Dr. Mark Hall

Richard Bull

Air Force Major

George Mitchell

Jackson

Ramon Bieri

Major Manchek

John Carter

MP Capt. Morton

Eric Christmas

Senator from Vermont

Glenn Langan

Cabinet Secretary (uncredited)

Kate Reid

Dr. Ruth Leavitt

Kermit Murdock

Dr. Robertson

Paula Kelly

Karen Anson

Robert Wise

Director

Arthur Hill

Dr. Jeremy Stone

David Wayne

Dr. Charles Dutton

Richard O'Brien

Grimes

Mark Jenkins

Lt. Shawn (Piedmont team)

Peter Helm

Sgt. Crane (Piedmont team)

Joe Di Reda

Wildfire Computer Sgt. Burk

Carl Reindel

Lt. Comroe

Ken Swofford

Toby (technician)

Frances Reid

Clara Dutton

Susan Brown

Allison Stone (uncredited)

Bart La Rue

Medic Captain (uncredited)

Walter Brooke

Assistant to Cabinet Secretary (uncredited)