VOICE of K-9:
JOHN LEESON AND DAVID BRIERLY
K-9 MK 1:
FOURTH DOCTOR: TOM BAKER
FIFTEENTH SEASON
4T. The Invisible Enemy 4X. Image of the Fendahl 4W. The Sunmakers 4Y. Underworld 4Z. The Invasion of Time
K-9 MK 2:
FOURTH DOCTOR: TOM BAKER
SIXTEENTH SEASON
5A. The Ribos Operation 5B. The Pirate Planet 5C. The Stones of Blood 5D. The Androids of Tara 5E. The Power of Kroll 5F. The Armageddon Factor
SEVENTEENTH SEASON
5J. Destiny of the Daleks 5H. City of Death 5G. The Creature From the Pit 5K. Nightmare of Eden 5L. The Horns of Nimon
EIGHTEENTH SEASON
5N. The Leisure Hive 5Q. Meglos 5R. Full Circle 5P. State of Decay 5S. Warrior's Gate
K-9 MK 3:
FIFTH DOCTOR: PETER DAVISON
TWENTIETH SEASON
6K. The Five Doctors
