as John Anderson
as Jason Davis
as Self(1 ep)
as Chief Bowman(3 eps)
as Mick Mitcherson(4 eps)
as Phil Cobb
as Harold Tucker(4 eps)
as Arthur Delacorte(13 eps)
as Don Walters(1 ep)
as Tom Ross(1 ep)
as Congressman Hayden
as Terry
as Alan
as NSA Officer
as Chief Trumple(3 eps)
as Joseph Breen(1 ep)
as Vint Molinari(1 ep)
as Senator Melchard
as Captain Raymond Cain
as Stanley Hancock(1 ep)
as Senator David Fletcher
as Larry Schoenfeld(2 eps)
as Earl
as Philip Geary(1 ep)
as Chief Parker(1 ep)
as Mr. Carmichael
as Sheriff
as Blake's Dad
as Chuck Stanley(3 eps)
as Kyle Donaldson(1 ep)
as Shiraht(1 ep)
as Harris(4 eps)
as Fireman(1 ep)
as Cash Dooley(1 ep)
as Dr. Sullivan(1 ep)
as Hal
as James Horton(1 ep)
as Major
as George Francisco
as Richard Cole
as Joe McNamara
as Sheriff Gordon
as George Francisco
as Sheriff Randall Carver(1 ep)
as George Francisco
as George Francisco
as Lt. Col. Maples(1 ep)
as Dr. Kubota(1 ep)
as Paddy White
as President Jefferson Williams(1 ep)
as Sheriff Gordon Cole
as Kortar(1 ep)
as Detective George Francisco
as Jack McHenry(1 ep)
as Mr. Dwyer(1 ep)
as Bruce Curran(1 ep)
as Dr. David Tanner
as Daniel(1 ep)
as Dr. Don Matthews(1 ep)
as George Ridgeway(1 ep)
as Captain Sanders(1 ep)
as Fred
as Eric Russell(1 ep)
as Adam(1 ep)
as George Francisco(22 eps)
as Voval(1 ep)
as Donald(1 ep)
as Sgt. Maj. Rinaski
as David Houk(2 eps)
as Bradford Thorpe(1 ep)
as Jim Wyler
as Jim Wyler(12 eps)
as Pete
as Paul Seeger(24 eps)
as Tom Hopper(3 eps)