Leland Stone (1 episode)
Sam Derrick (1 episode)
Tom Ward
Mr. Pierson (1 episode)
Colonel (uncredited)
The Director
Editor Norman Taggart
Leo Raymond
Councilman Gillen (uncredited)
Rodney Brewster
Jason, the Norm traitor
Raymond
Brigadier General at Briefing (uncredited)
Government Employee (uncredited)
Maj. Talbot
Carstairs (uncredited)
Gen. Garvin
Lobel
Lt. Smith (Personnel Dept.)
Civil Defense Chairman
Director (uncredited)
Mountie Sergeant
Lawyer Ken Jordan
Curt Reynolds (1 episode)
Newscaster (uncredited)
Tom Whitney
Radio Announcer
"James Hunter"
Jack Miles (uncredited)
Eddie - Salesman on Phone (uncredited)
Devereaux, posing as Manning
Jeff Middleton, Owner of Oro City Hotel
Chairman
Mel Porter
Radio Announcer
Lance Regan
Secret Service Inspector Crehan
George (Uncredited)
Jim Hudson
Lance Dawson
Mark Howell
Rod Jackson
Radio Announcer
Longdon
Dr. Kenneth G. Swann
Grimes Atwood
Radio Announcer
Police Broadcaster
Radio Announcer (uncredited)
Radio Announcer (voice)
Police Announcer (uncredited)
Police Radio Announcer (uncredited)
Sergeant - Wireless Operator
'We the People' Radio MC
Martin Mortinson (uncredited)
Douglas Evans, Radio Announcer (uncredited)
Francis Scott Key (uncredited)