James Whitmore
Sgt. Ben Peterson
Acting
James Arness
FBI Agent Robert Graham
Acting
Joan Weldon
Dr. Pat Medford
Acting
Edmund Gwenn
Dr. Harold Medford
Acting
Onslow Stevens
Brig. Gen. Robert O'Brien
Acting
Sean McClory
Maj. Kibbee
Acting
Sandy Descher
The Ellinson Girl
Acting
Chris Drake
Trooper Ed Blackburn
Acting
Don Shelton
Trooper Capt. Fred Edwards
Acting
Fess Parker
Alan Crotty
Acting
Mary Alan Hokanson
Mrs. Lodge
Acting
Olin Howland
Jensen
Acting
William Schallert
Ambulance Attendant
Acting
Ann Doran
Child Psychiatrist
Acting
Dub Taylor
Railroad Yard Watchman
Acting
Leonard Nimoy
Army Sergeant
Acting
Richard Deacon
Bald Reporter at L.A. News Conference
Acting
Forbes Murray
Government Official
Acting
Kenner G. Kemp
Trooper #2
Acting
Charles Perry
Soldier
Acting
Dorothy Green
Matron
Acting
Willis Bouchey
Official at D.C. Meeting
Acting
Mary Lou Holloway
Blonde at Police Station
Acting
Dick York
Teenager in Police Station
Acting