Vincent Kartheiser

as Paul

as Glen

as Advertising A.I. / Engagement A.I. / Growth A.I.

as Ted

as Bodie Quick (13 episodes)

as Henry David Cole

as Samuel Greenwood (12 episodes)

as Dr. Jonathan Crane / Scarecrow (13 episodes)

as Narrator (voice) (1 episode)

as Lowell

as Dr Matthews

as Raymond Geist (2 episodes)

as William J. Murray III

as Laurence Corby

as Pierre Ruskin (4 episodes)

as William Bradford (2 episodes)

as Tark

as Samuel

as Peter Harrison

as Marsh Merriwether (voice) (11 episodes)

as Nick

as Philippe Weis

as Jimmy