Daniel Hugh Kelly

as Mr. McDowell

as Dick McAllister

as Bittencourt

as The President of the United States

as William

as Caswell Foxx

as Steven

as Dick McAllister

as Tom Hawkins(1 ep)

as David

as Gillespie

as David

as Tony

as Mr. Randolph Whitaker

as Judge Royce(1 ep)

as Man(2 eps)

as Evan Potter(1 ep)

as Philip Carmichael(1 ep)

as Jake Devins(1 ep)

as William Brewster(1 ep)

as Elliot Glick (2008)(1 ep)

as Admiral Kendall(1 ep)

as Senator William Percy 'Bill' Henderson(1 ep)

as Ted Hartford(1 ep)

as Ben Cartwright(20 eps)

as Agent Taylor

as John F. Kennedy(2 eps)

as Dr. Henry Thompson

as Robert Reed

as James Cook(1 ep)

as Mark Dobbins(1 ep)

as Col. Leo Vitelli

as Rex Stanford / Charles(1 ep)

as Sojef

as Grant(1 ep)

as Gordon Connell

as Gene Cernan(5 eps)

as Lonn Reisman

as Brook Yates

as Jim Ballard

as Doug Martin

as Noah Beckett(21 eps)

as Steve Sohmer

as Ben Jones

as Alex Buchanan(1 ep)

as Les Goodwin

as Donald Prescott

as Franklin Carter

as Wallace Evans

as Tim Preston(1 ep)

as Congressman Neil Gallagher

as Councilman Kevin Crossley(1 ep)

as Julian Spector(1 ep)

as Lawrence Garber(1 ep)

as Leland Barnes(1 ep)

as Scotty

as Peter Farrell(13 eps)

as Rob Cutter

as Mike George(3 eps)

as Paul Forrest

as Self

as Mark "Skid" McCormick(67 eps)

as Vic Trenton

as Det. Frank Wajorski(13 eps)

as Jack