Doctor Who: The Armageddon Factor (1979)

Tom Baker

as The Doctor

Mary Tamm

as Romana

John Leeson

as K-9 (voice)

John Woodvine

as Marshal

Lalla Ward

as Princess Astra

Davyd Harries

as Shapp

I

Ian Saynor

as Merak

I

Ian Liston

as 'Hero'

Susan Skipper

as 'Heroine'

John Cannon

as Guard

I

Iain Armstrong

as Technician

Pat Gorman

as Pilot

H

Harry Fielder

as Guard

William Squire

as The Shadow

Barry Jackson

as Drax

Valentine Dyall

as The Black Guardian