Tom Baker

The Doctor

Bernard Horsfall

Chancellor Goth

Peter Pratt

The Master

Llewellyn Rees

The President

Hugh Walters

Commentator Runcible

Angus MacKay

Cardinal Borusa

George Pravda

Castellan Spandrell

Erik Chitty

Co-Ordinator Engin

Derek Seaton

Commander Hilred

Maurice Quick

Gold Usher