Pravidelné obsadenie série 3

1. 

   Tom Baker

   The Doctor

2. 

   Elisabeth Sladen

   Sarah Jane Smith

3. 

   Louise Jameson

   Leela

Hosťujúce hviezdy 11

1. 

   Llewellyn Rees

   The President

2. 

   Bernard Horsfall

   Chancellor Goth

3. 

   George Pravda

   Castellan Spandrell

4. Angus MacKay

   Cardinal Borusa

5. 

   Peter Pratt

   The Master

6. 

   Hugh Walters

   Commentator Runcible

7. 

   Erik Chitty

   Co-Ordinator Engin

8. Derek Seaton

   Commander Hilred

9. Maurice Quick

   Gold Usher

10. 

    Michael Bilton

    Time Lord

11. John Dawson

    Time Lord

Štáb 3