On screen
Cast
12 credited performers
Richard Lynch
Pendragon
James Hong
Leong Tao
Artwork unavailable
Rodney Wood
Merlin
Peter Phelps
John Pope
Desmond Llewelyn
Dr. Mycroft
Nadia Cameron-Blakey
Crystal of the Lake
Alastair G. Cumming
Doctor (as Alastair Cumming)
John Ireland
Character not listed
Pamela Mandell
Character not listed
Gordon Sterne
Character not listed
Ted Maynard
Character not listed
Artwork unavailable
Chris Tulloch
Character not listed