Ron Donachie

as Headmaster Donald Watkins

as Archie Duff (2 episodes)

as Col. Cleaver

as Don Carpenter (12 episodes)

as Judge (1 episode)

as Self

as Robert Wishart, Bishop of Glasgow

as MacDuff (1 episode)

as Michael Dobbs

as Iain Sutherland (5 episodes)

as Ron Allen (1 episode)

as Uncle Tam

as Sgt. Murdoch

as Major Bloomberg

as Theos (1 episode)

as Hector

as Jock Hamilton (1 episode)

as Angus McAllister (2 episodes)

as Sergeant Cross

as DCI Sullivan (2 episodes)

as Jesse Hennings (1 episode)

as Rodrik Cassel (13 episodes)

as Alasdair McKinley QC (1 episode)

as Sir Alexander Lamb (1 episode)

as Night Watchman