• Nicholas Courtney....Brigadier Lethbridge-Stewart(1968-1975, 1983, 1989)
• John Levene....Sergeant Benton (1968-1975)
• Elisabeth Sladen....Sarah Jane Smith (1974-1977)
• Ian Marter....Harry Sullivan (1975-1976)
• Louise Jameson....Leela (1977-1978)
• John Leeson....voice of K9 (1977-1979, 1980-1981)
• Mary Tamm....Lady Romanadvoratrelundar(1978-1979)
• Lalla Ward....Lady Romanadvoratrelundar (1979-1981)
• David Brierly....voice of K9 (1979-1980)
• Matthew Waterhouse....Adric (1981-1982)
• Janet Fielding....Tegan Jovanka (1981-1984)
• Sarah Sutton....Nyssa of Traken (1981-1983)
• Anthony Ainley....The Master(1981-1989)

Episode List

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• Robot

  The newly regenerated doctor must deal with think tank scientists that want to control the world, and a runaway, run amok robot

• The Ark in Space
• The Sontaran Experiment
• Genesis of the Daleks
• Revenge of the Cybermen
• Terror of the Zygons
• Planet of Evil
• Pyramids of Mars
• The Android Invasion
• Episodes, continued

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note: (n/a) means that the episode was lost and/or in some way unavailable to be shown in the USA.

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