 Peter GravesDr. Ed Wainwright | Dr. Ed Wainwright |
 Peggie CastleAudrey Aimes | Audrey Aimes |
 Morris AnkrumGen. John Hanson | Gen. John Hanson |
 Than WyennFrank Johnson | Frank Johnson |
 Thomas Browne HenryCol. Tom Sturgeon | Col. Tom Sturgeon |
 Richard BenedictCpl. Mathias | Cpl. Mathias |
 James SeayCapt. James Barton | Capt. James Barton |
| JJohn CloseMaj. Everett | Maj. Everett |
 Don C. HarveyState Police Car 254 Officer | State Police Car 254 Officer |
 Larry J. BlakeRoadblock Sergeant | Roadblock Sergeant |
 Eilene JanssenWilliam's Date | William's Date |
| HHylton SocherFrank, grainary platoon soldier | Frank, grainary platoon soldier |
 Frank WilcoxGen. Short | Gen. Short |
 Douglas EvansEditor Norman Taggart | Editor Norman Taggart |
| PPaul GrantWilliam Summerfield, teen boy | William Summerfield, teen boy |
| RRichard EmoryLieutenant | Lieutenant |
 Hank PattersonDave | Dave |
| SSteve WarrenObservation Post #3 Soldier | Observation Post #3 Soldier |
| FFrank ConnorObservation Post #1 Soldier | Observation Post #1 Soldier |
| DDon EitnerObservation Post #2 Soldier | Observation Post #2 Soldier |
 Rayford BarnesChuck, granary platoon soldier | Chuck, granary platoon soldier |
 Kirk AlynBomber Pilot | Bomber Pilot |
 Bill BaldwinTV Announcer (uncredited) | TV Announcer (uncredited) |
 Frank ChaseHelicopter Pilot (uncredited) | Helicopter Pilot (uncredited) |
 Joe CranstonSoldier (uncredited) | Soldier (uncredited) |
| PPatricia DeanRed Cross Representative | Red Cross Representative |
 James DouglasArmy Sentry (uncredited) | Army Sentry (uncredited) |
 Paul FreesHelicopter Pilot (voice) | Helicopter Pilot (voice) |
 Lyle LatellPolice Lt. MacKenzie (uncredited) | Police Lt. MacKenzie (uncredited) |
 Dennis MoorePolice Dispatcher KLP646 | Police Dispatcher KLP646 |
