Senator Smith
Chief Wells
Tom Claire
Under Secretary William Macomber
Preacher (voice)
Admiral Lynch
Phil Fryman
Dick Thompson
Dr. Altman
President McKenna
John Meyers
Silas Green
Loren Valentine (voice)
Robert Creighton
Dr. Case Montgomery
Officer Rob Arnold
Mike Caldwell
Gilliam
Sergeant Sam Taliaferro
Mac Odell
Lt. Hugo
Ned Holcomb
Trucker
Robert F. Kennedy
Dr. Grant Harrison
