Gary Raymond

as William Swain

as High Septon (2 episodes)

as Dimitri Weismann

as Walt

as Jared Olyphant

as Art Collector

as Old Daniel O'Hara (3 episodes)

as Quentin Featherston

as Sir John Walsh

as Michael

as Martin

as Martin (1 episode)

as Eli Watkins (1 episode)

as Roger Masgard (1 episode)

as Sergei

as Ronnie Johnson (1 episode)

as Sergei (1 episode)

as John Montgomery (1 episode)

as Michael (1 episode)

as Colonel John Grey (1 episode)

as Orsino

as Jeremy Moon (5 episodes)

as James Carker (13 episodes)

as Sgt. Jack Moffitt