Action / Adventure / Drama / Science Fiction / TV Movie /

Score: 50%( 3 votes )

Overview: 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.

Cast:

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