Albert Stratton

as Chuck Brindel

as Senator Travis

as Robert McClain (2 episodes)

as Dr. Tucker (1 episode)

as Kushell (1 episode)

as Vincent Conrad

as Andrew Butler (2 episodes)

as IL-tar (1 episode)

as Martin Pope

as Thomas Jefferson (4 episodes)

as Charles Benson (1 episode)

as Avery

as Professor Logan (1 episode)

as John Biggs

as Paul Drake (16 episodes)