Terence Cooper

as David Preston

as Vincetti (13 episodes)

as Eric Hogg

as Billy, as Jack Macready

as Sir Ian Hobart

as Captain Andrew

as Gentleman #1

as Sgt. Jim McCann (1 episode)

as Brendon O'Keefe

as Inspector Bletcher

as Dave Adams

as Frank Lauber

as Robert Jackson

as Doug Mortimer

as Morris (6 episodes)

as Sir Charles Pemberton (13 episodes)

as Paul Ternin

as Colonel Carey (1 episode)

as Cooper

as Jason Sheppard

as Nodge

as Leslie Stanner (1 episode)