The Doctor
Tom Baker
Romana
Mary Tamm
K-9 (Voice)
John Leeson
Count Grendel
Peter Jeffrey
Zadek
Simon Lack
Prince Reynart
Neville Jason
Farrah
Paul Lavers
Lamia
Lois Baxter
Till
Declan Mulholland
Archimandrite
Cyril Shaps
Original Music Composer
Dudley Simpson
Director
Michael Hayes
Producer
Graham Williams
Writer
David Fisher
Script Editor
Anthony Read