Released
The final segment of the Key to Time is at the heart of a devastating war between neighbouring planets Atrios and Zeos. The Fourth Doctor discovers that a sinister entity is manipulating events and the cost of obtaining the final segment may be more personal than he imagined.
Keywords
time travel
Casts
Tom Baker
The Doctor
Mary Tamm
Romana
John Leeson
K-9 (voice)
John Woodvine
Marshal
Lalla Ward
Princess Astra
Davyd Harries
Shapp
Ian Saynor
Merak
Ian Liston
'Hero'
Susan Skipper
'Heroine'
John Cannon
Guard
Iain Armstrong
Technician
Pat Gorman
Pilot
Harry Fielder
Guard
William Squire
The Shadow
Barry Jackson
Drax
Valentine Dyall
The Black Guardian
Crews
Michael Hayes
Director
Bob Baker
Writer
Dave Martin
Writer
Graham Williams
Producer
Anthony Read
Script Editor
Douglas Adams
Script Editor
David Maloney
Producer
Dudley Simpson
Original Music Composer
Delia Derbyshire
Theme Song Performance
Backdrops & Posters
