Lionel Carlisle (1 episode)
General Curtleigh (3 episodes)
Kyle Johnson (1 episode)
Dr. Vickers (2 episodes)
Judge Malcolm Keen (1 episode)
Pastor Williams (1 episode)
Dr. Darnton (1 episode)
Special Agent Billy Taggart (5 episodes)
Dr. Branch
Jarek Yeager (voice) (38 episodes)
Detective Peter Dixon (10 episodes)
Pete Dixon (1 episode)
James Palmer (2 episodes)
Dr. Poole (3 episodes)
Judge Adams (3 episodes)
Darnell Ortley (3 episodes)
Art Costa (2 episodes)
Mark
Dr. Ryan Kurtz
Todd
Principal Thomas Walker
U.S.S. Vengeance Officer
Det. Michael Stone (1 episode)
Thomas Lind (1 episode)
DEA Agent Raymond Frank (1 episode)
Maurice
A.U.S.A. (1 episode)
Venture Star Crew Chief
(voice) (1 episode)
Doctor (1 episode)
Ben Landry (2 episodes)
De Shaun Braemer (1 episode)
Wallace Bennett (1 episode)
Lead Soldier
Henry Wexler (1 episode)
Carl Williams (1 episode)
Sam Potter (1 episode)
Nate Lawrence (1 episode)
Lewis Clark Jefferson / Cowpoke #3 (voice)
Doctor
Sturgis Turner (68 episodes)
Congressional Committee Chair (1 episode)
Toby / Mason Freeman (1 episode)
Principal Bybee (5 episodes)
District Attorney Patterson (1 episode)
Ted Harris (1 episode)
Detective Fraker (4 episodes)
Capt. Jackson
Ranse Shipley
News Guy
Felix
Detective (1 episode)
Ted Hennison
Michael Walters (1 episode)
Spota
Sergeant Footman
Keith Arnett (2 episodes)
Male Nurse
Resident
Office Executive (1 episode)
Dillon
Tibby Johnson (1 episode)
Matt Suarez
Office Worker Scott (4 episodes)
Assistant Director (1 episode)