David Allister

as Neurologist

as Professor Vere Percival (1 episode)

as Insp. Bob Morrissey (2 episodes)

as Miles Allison (1 episode)

as Paxton (1 episode)

as Bruchner

as Sgt. Lloyd

as Stimson

as The Undead

as Chris Maddison

as Mr. Addison (1 episode)

as Jordan

as Caius Cassius (3 episodes)

as Defence (1 episode)

as Customs Official (1 episode)

as Julian Preston-Campbell (1 episode)

as Justin Brockley (1 episode)

as Fuller

as Geoffrey Lingrove (1 episode)

as Mr. Westbury

as Arthur Townsend (1 episode)

as Fuller (1 episode)