Peter Graves
Dr. Ed Wainwright
Peggie Castle
Audrey Aimes
Morris Ankrum
Gen. John Hanson
Thomas Browne Henry
Col. Tom Sturgeon
Richard Benedict
Cpl. Mathias
James Seay
Capt. James Barton
Don C. Harvey
State Police Car 254 Officer
Larry J. Blake
Roadblock Sergeant
Eilene Janssen
William's Date
Hyllton Socher
Frank, grainary platoon soldier
Douglas Evans
Editor Norman Taggart
Paul Grant
William Summerfield, teen boy
Steve Warren
Observation Post #3 Soldier
Frank Connor
Observation Post #1 Soldier
Don Eitner
Observation Post #2 Soldier
Rayford Barnes
Chuck, granary platoon soldier
Bill Baldwin
TV Announcer (uncredited)
Frank Chase
Helicopter Pilot (uncredited)
Joe Cranston
Soldier (uncredited)
Patricia Dean
Red Cross Representative
James Douglas
Army Sentry (uncredited)
Paul Frees
Helicopter Pilot (voice)
Lyle Latell
Police Lt. MacKenzie (uncredited)
Dennis Moore
Police Dispatcher KLP646
Zon Murray
Roadblock Sentry Confiscating Camera
Alan Reynolds
Agricultural Agent
Ralph Sanford
Man with Red Cross Representative [extra]
Bert Stevens
Col. Hill [bit]
Alan Wells
Headquarters Sergeant
