James Frain

as James Hooker

as Solomon

as Gideon Rydge (4 episodes)

as Damian Campbell (5 episodes)

as Henry / Puzzlemaker

as Mr. Allendale (1 episode)

as Black Peter, A Goat (1 episode)

as Self (1 episode)

as Dr. A

as Sarek (9 episodes)

as Miles Moss

as Leet Brannis (2 episodes)

as Theo Galavan / Azrael (22 episodes), as Theo Galavan (2 episodes)

as Richard Shepherd (8 episodes)

as Lieutenant Kevin Burris (7 episodes)

as Simon

as Kieran Ashton / John Sumner (10 episodes)

as Rutledge (1 episode)

as Barret

as Richard Neville (10 episodes)

as Attorney General

as Ferdinand Chevalier (8 episodes)

as Andrews

as Odin Reichenbach (7 episodes)