Tom Baker
The Doctor
Acting
Mary Tamm
Romana
Acting
John Leeson
K-9 (voice)
Acting
John Woodvine
Marshal
Acting
Lalla Ward
Princess Astra
Acting
Davyd Harries
Shapp
Acting
Ian Saynor
Merak
Acting
Ian Liston
'Hero'
Acting
Susan Skipper
'Heroine'
Acting
John Cannon
Guard
Acting
Iain Armstrong
Technician
Acting
Pat Gorman
Pilot
Acting
Harry Fielder
Guard
Acting
William Squire
The Shadow
Acting
Barry Jackson
Drax
Acting
Valentine Dyall
The Black Guardian
Acting