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