Ralph Arliss
His television credits include: "Doctor Who" ( in the serial "Planet of the Spiders" ) , "Z-Cars" , "The Sweeney" , "Survivors" , "Return of the Saint" , "Secret Army" , "Love for Lydia" , "Shoestring" , "Airline" , "The Jewel in the Crown" , "The Day Christ Died" , "A . D . " , "Dempsey and Makepeace" , "Call Me Mister" , "Boon" , "Prime Suspect" , "Casualty" and "The Bill" . 
<triplet> Planet of the Spiders <subj> Doctor Who <obj> part of the series