Mr. McDowell
Dick McAllister
The President of the United States
William
Caswell Foxx
Steven
Dick McAllister
Admiral Kendall (1 episode)
Tom Hawkins (1 episode)
Evan Potter (1 episode)
Gillespie
Mr. Randolph Whitaker
Philip Carmichael (1 episode)
Judge Royce (1 episode)
Elliot Glick (2008) (1 episode)
William Brewster (1 episode)
Jake Devins (1 episode)
Mark Dobbins (1 episode)
James Cook (1 episode)
Senator William Percy 'Bill' Henderson (1 episode)
Ben Cartwright (20 episodes)
Agent Taylor
Tim Preston (1 episode)
John F. Kennedy (2 episodes)
Dr. Henry Thompson
Robert Reed
Rex Stanford / Charles (1 episode)
Col. Leo Vitelli
Alex Buchanan (1 episode)
Gordon Connell
Gene Cernan (5 episodes)
Brook Yates
Jim Ballard
Doug Martin
Noah Beckett (21 episodes)
Councilman Kevin Crossley (1 episode)
Julian Spector (1 episode)
Lawrence Garber (1 episode)
Leland Barnes (1 episode)
Ben Jones
Les Goodwin
Donald Prescott
Franklin Carter
Wallace Evans
Congressman Neil Gallagher
Peter Farrell (13 episodes)
Rob Cutter
Paul Forrest
Mark "Skid" McCormick (67 episodes)
Director (1 episode)
Vic Trenton
Det. Frank Wajorski (13 episodes)
Jack