Colin Baker

as The Doctor

Nicola Bryant

as Peri

Dinah Sheridan

as Flavia

Julian Glover

as Sennec

Waris Hussein

as Ryoth

Peter Miles

as Captain Exdrell

John Leeson

as The Prince

Nigel Plaskitt

as Skruggs

John Smerin

as Time Lord Bureaucrat / The Godfather

George Pravada

as Spandrell

Eric Chitty

as Engin

Ian Fairbairn

as Hotel Manager

Patricia Merrick

as Kaya

Richard Dadd

as Ronaldo Trumpton / Gold Usher

David Miller

as Tarin