The Doctor
Jon Pertwee
Jo Grant
Katy Manning
Vorg
Leslie Dwyer
Shirna
Cheryl Hall
Major Daly
Tenniel Evans
John Andrews
Ian Marter
Claire Daly
Jenny McCracken
Pletrac
Peter Halliday
Kalik
Michael Wisher
Orum
Terence Lodge
Original Music Composer
Dudley Simpson
Director
Barry Letts
Producer
Script Editor
Terrance Dicks
Writer
Robert Holmes
Costume Design
James Acheson
Makeup Artist
Angela Seyfang
Camera Operator
Peter Hamilton
Lighting Director
Clive Thomas
Sound
Gordon Mackie
Production Design
Roger Liminton
Special Sound Effects
Brian Hodgson
Production Assistant
Chris D'Oyly-John
Visual Effects Designer
John Horton