Dr. Curt Taylor (archive footage)
Dr. Clete Ferguson
Dr. Lang
Old Convict
Gramps
Leonard Scott Levy
Gas Station Attendant / Victim
Ivan Peters
Dog-Walking Neighbor
(segment "A Day in Beaumont") (1 episode)
Yankee Officer
Police Captain
Col. Blaylock (1 episode)
City Official
Police Lt. Rafferty
Bert Ryan
Amos Patton
Christian
Maj. Ronald Paxton
Bert Walker (1 episode)
Barry Rogers
Dr. Curt Taylor
Sheriff Clint Crawford
Dion O'Bannion
George Gates
Dr. Farrell
Ed Tomkins
Dan Carrouthers
Dawson
Pete Stone
Tom Anders (1 episode)
Gus Cole
Intelligence Captain
Capt. Don Graham
Alex Marsh
Joe McElroy
Sam Phelps (1 episode)
Mike Anderson (1 episode)
Ike Burroughs
Maj. Bruce Jay
Kenneth Baxter (1 episode)
Col. Matthews
Sheriff Jim Crayle
Bob Westley
Capt. Tom Arnett
Sgt. Judd Norcutt
Jeff Donner
Marvin Potter (1 episode)
Steve March
George Hastings
Sgt. Dick Mason
Dr. Roger Bentley
Luke Random
Sheriff Bill Jorden
Dr. Matt Hastings
Joe Cardos
Johnny Rush
Larry Dorrant (1 episode)
Prof. Clete Ferguson
Bill Buchanan
Det. Sgt. Mark Brewster
Tom Baxter
Ray Brighton
Ray Compton
David Powell
Ramoth
Billy Shear
Lt. Joe Mallory
Don Lowry
PFC Peter T. 'Pete' Conway
Lt. Flint Cohill
Tom Wade
2nd Lt. Michael Shannon O'Rourke