Doctor Who: The Seeds of Doom

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

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