Season 17

Tom Baker

The Doctor

20 episodes

Lalla Ward

Romana

20 episodes

David Brierly

K9 (voice)

20 episodes

Simon Gipps-Kent

Seth

4 episodes

Catherine Schell

Countess Scarlioni

4 episodes

Suzanne Danielle

Agella

4 episodes

Tom Chadbon

Duggan, Jagaroth Voice

4 episodes

Julian Glover

Count Scarlioni, Scaroth

4 episodes

Edward Kelsey

Edu

4 episodes

Janet Ellis

Teka

4 episodes

Tim Barlow

Tyssan

4 episodes

David Graham

Kerensky

4 episodes

Tony Osoba

Lan

4 episodes

John Bryans

Torvin

4 episodes

Malcolm Terris

Co-Pilot

4 episodes

Peter Straker

Commander Sharrel

4 episodes

Roy Skelton

Dalek (voice), Daleks, K9 (voice)

4 episodes

Cy Town

Dalek Operator

4 episodes

Eileen Way

Karela

4 episodes

Geoffrey Bayldon

Organon

3 episodes

Graham Crowden

Soldeed

3 episodes

David Yip

Veldan

3 episodes

Myra Frances

Adrasta

3 episodes

David Gooderson

Davros

3 episodes

Peter Halliday

Soldier

2 episodes

Terry Walsh

Doran, Doran (uncredited)

2 episodes

Morris Barry

Tollund

1 episode

Eleanor Bron

Art Gallery Visitor

1 episode

Peter Craze

Costa

1 episode

Lewis Fiander

Tryst

1 episode

Geoffrey Hinsliff

Fisk

1 episode

Bob Hornery

Pilot

1 episode

John Cleese

Art Gallery Visitor

1 episode

John Bailey

Sezom

1 episode

Kenny McBain

Director

4 episodes

Christopher Barry

Director

4 episodes

Ken Grieve

Director

4 episodes

Michael Hayes

Director

4 episodes

Graham Williams

Director

2 episodes

David Fisher

Writer

8 episodes

Anthony Read

Writer

4 episodes

Bob Baker

Writer

4 episodes

Graham Williams

Writer

4 episodes

Douglas Adams

Writer

4 episodes

Terry Nation

Writer

4 episodes

Graham Williams

Producer

20 episodes

Bernard Lodge

Main Title Designer

20 episodes

Terry Walsh

Fight Choreographer

1 episode

Ron Grainer

Main Title Theme Composer

20 episodes

Delia Derbyshire

Theme Song Performance

20 episodes