David Gillies

as Henry Walker

as Telephonist (Clarence House) (1 episode)

as MI6 Assessor

as Gardener at Park

as American Father

as Martin Kline

as Marty Best

as Dr. Herring

as Usher

as Office Clerk

as DI Holmes (1 episode)

as Dr. Howard

as DS Kennedy (1 episode)

as Milburn

as Roger Hoover

as MacDonald

as DC Willis (3 episodes)

as Ginger (20 episodes)

as Bernie (1 episode)

as Dandy

as Philip Hosken (1 episode)

as Obergefreite (1 episode)

as Hob (1 episode)

as Norman Charles (1 episode)