A group of gold-skinned aliens known as the Axons land on Earth and offer wondrous technology in exchange for fuel. The Doctor, however, isn't fooled, uncovering the Axons' true nature and once again facing his archenemy the Master...
Jon Pertwee
Katy Manning
Nicholas Courtney
Richard Franklin
John Levene
Roger Delgado
Paul Grist
Peter Bathurst
Fernanda Marlowe
Donald Hewlett
David Savile
Derek Ware
Bernard Holley
Michael Walker
David March
Patricia Gordino
John Hicks
Debbie Lee London
Tim Pigott-Smith
Kenneth Benda
Royston Farrell