Hugh Latimer

as Mr Jones

as The Master

as Sergei Petrovich Gedenovsky

as Sergei Petrovich Gedenovsky (1 episode)

as The Master (1 episode), as Mr. Jones (1 episode)

as Rear Admiral Cardine (1 episode)

as Cuthbert (7 episodes)

as George St Claire (1 episode)

as Hugh Carter (1 episode), as Mr Holloway (1 episode)

as Berridge

as Nick Beelzebub

as Barter (3 episodes)

as John Foster (1 episode)

as Polegate (1 episode)

as Evelyn Ormsby (1 episode)

as Harry (119 episodes)

as Commander - War Room (uncredited)

as Photographer (uncredited)

as Lt Commander

as Jimmy Murray

as Sgt. Adams

as Mark Perryman