Steel (34 episodes, 1979-1982)
Sapphire (34 episodes, 1979-1982)
Silver (8 episodes, 1981-1982)
Tully (8 episodes, 1979)
Pearce / Soldier (8 episodes, 1979)
1st Submariner / 1st voice (7 episodes, 1979)
Pilot / 2nd voice (7 episodes, 1979)
Robert Jardine (6 episodes, 1979)
Emma Mullrine (6 episodes, 1981)
Helen Jardine (6 episodes, 1979)
Lord Mullrine (6 episodes, 1981)
Felicity McDee (6 episodes, 1981)
Felix Harborough (6 episodes, 1981)
Greville (6 episodes, 1981)
Anne Shaw (6 episodes, 1981)
Rothwyn (5 episodes, 1981)
Eldred (5 episodes, 1981)
Mother (5 episodes, 1979)
Dr. George McDee (5 episodes, 1981)
Howard McDee (5 episodes, 1981)
Annabelle Harborough (5 episodes, 1981)
Changeling (4 episodes, 1981)
Countryman (4 episodes, 1979)
Liz (4 episodes, 1981)
Shape (4 episodes, 1981)
Man (4 episodes, 1982)
Parasol Girl (4 episodes, 1981)
Old Man (4 episodes, 1982)
Shape (3 episodes, 1981)
Woman (3 episodes, 1982)
Johnny Jack (2 episodes, 1982)
Ruth (2 episodes, 1981)
Veronica Blaney (2 episodes, 1981)
Lead (3 episodes, 1979)
Father (3 episodes, 1979)
Tony Purnell (3 episodes, 1981)
Policeman (2 episodes, 1979)
Radio Broadcast Voice (1 episode, 1981)