Eddie Nelson (1 episode)
Mr. Woods (segment "Caitlin's Candle") (1 episode)
Mayor Cusack (1 episode)
Alexander Dray (1 episode)
Dr. McKenzie (5 episodes)
Agent Mullens (1 episode)
Alien Inquisitor (1 episode)
Detective Barclay (1 episode)
Dr. Golden (1 episode)
Triune (1 episode)
Dr. Miles Osgoode (1 episode)
The Voice (1 episode)
High Commander Reese (1 episode)
Dr. Stanley Miller (1 episode)
Henry Beaufort
Dr. Cooper