Doctor Who: The Seeds of Doom

Tom Baker

The Doctor

Elisabeth Sladen

Sarah Jane Smith

Tony Beckley

Harrison Chase

?

Kenneth Gilbert

Richard Dunbar

?

Michael Barrington

Sir Colin Thackeray

?

Sylvia Coleridge

Amelia Ducat

John Challis

Scorby

Mark Jones

Arnold Keeler / Krynoid (voice)

?

Seymour Green

Hargreaves

?

Michael McStay

Derek Moberley

?

Hubert Rees

John Stevensen

?

John Gleeson

Charles Winlett

?

Ian Fairbairn

Doctor Chester

?

John Acheson

Major Beresford

?

Ray Barron

Sergeant Henderson