The Seeds of Doom (4)

Cast

• 

  Tom Baker

  The Doctor

• 

  Elisabeth Sladen

  Sarah Jane Smith

• 

  Tony Beckley

  Harrison Chase

• 

  John Challis

  Scorby

• Kenneth Gilbert

  Richard Dunbar

• Michael Barrington

  Sir Colin Thackeray

• Seymour Green

  Hargreaves

• 

  Mark Jones

  Arnold Keeler

• Sylvia Coleridge

  Amelia Ducat

• David Masterman

  Guard Leader

• Harry Fielder

  Guard