Doctor Who: The Seeds of Doom

Elisabeth Sladen as Sarah Jane Smith Tony Beckley as Harrison Chase Mark Jones as Arnold Keeler / Krynoid (voice) Tom Baker as The Doctor Pat Gorman as Guard John Challis as Scorby Alan Chuntz as Chauffeur

Roger Murray-Leach Production Design Terry Walsh Fight Choreographer Geoffrey Burgon Original Music Composer Graeme Harper Production Assistant Dick Mills Special Sound Effects Robert Holmes Script Editor Douglas Camfield Director Philip Hinchcliffe Producer Delia Derbyshire Theme Song Performance Robert Banks Stewart Writer George Gallaccio Production Manager