Guest Stars Roger Delgado as The Master (1st) Michael Hawkins as General Williams Vera Fusek as President of Earth Peter Birrel as Draconian Prince Stephen Thorne as First Ogron William Wilde as Draconian Captain Michael Kilgarriff as Second Ogron Rick Lester as Third Ogron Ian Frost as Draconian Messenger John Woodnutt as Draconian Emperor Clifford Elkin as Earth Cruiser Captain
