Aneurin Barnard

as The Hunter

as Ferdie Kestevan (1 episode)

as Bryn

as Rogue Trooper (voice)

as Jason Frey

as Eifed James

as Roger ap Gwilliam (archive footage)

as Dr. Dylan Pearce

as Alex

as Roger ap Gwilliam (archive footage)

as Roger ap Gwilliam (1 episode), as Roger ap Gwilliam (archive footage) (1 episode)

as Dan (3 episodes)

as Joseph Kappen (4 episodes)

as Ryan (4 episodes)

as Daniel Solace (8 episodes)

as Self

as Bernard (1 episode)

as Jack Evans (6 episodes)

as Hamish Goames (8 episodes)

as Paul Langevin

as Steerforth

as Boris Pavlikovsky

as Gisbourne (10 episodes)

as Ben Weider