Seamus Dever

as Dr. Simon Carver

as Officer Hastings (1 episode)

as Max Miller (1 episode)

as Ranger Tom Drake

as Lawrence Kane

as Andy the German (5 episodes)

as Reed (1 episode)

as Scott (1 episode)

as Max DeVeer (1 episode)

as Henry Viser

as Tomasz Arndt (1 episode)

as Chaz Bachman (1 episode)

as Trigon (2 episodes), as Trigon / Captain Frank Finney (1 episode)

as Todd Garlin (1 episode)

as Don Eichman (1 episode)

as Ray, Executive Producer

as Griggs (1 episode)

as Alexi Goncharov (3 episodes)

as Nick Perry (2 episodes)

as Tyler Mack (1 episode)

as Kevin Ryan (173 episodes)

as Marc

as Chuck (1 episode)

as Dr. Chris Ferlinghetti (7 episodes)

as Phillip