Cast 21
Patrick Troughton
The Doctor
Frazer Hines
Jamie McCrimmon
Wendy Padbury
Zoe Heriot
Ronald Allen
Rago
Kenneth Ives
Toba
Arthur Cox
Cully
Felicity Gibson
Kando
Giles Block
Teel
Johnson Bayly
Educator Balan
Walter Fitzgerald
Director Senex
Alan Gerrard
Bovem
Brian Cant
Chairman Tensa
John Cross
Council Member
Ronald Mansell
Council Member
Malcolm Terris
Etnin
Nicolette Pendrell
Tolata
Philip Voss
Wahed
John Hicks
Quark
Gary Smith
Quark
Freddie Wilson
Quark
Sheila Grant
Quark Voices
Crew 6
Henry Lincoln
Writer
Morris Barry
Director
Mervyn Haisman
Writer
Derrick Sherwin
Script Editor
Peter Bryant
Producer
Delia Derbyshire
Theme Song Performance