Godfrey James
His television credits include: "The Avengers" , "Dixon of Dock Green" , "Department S" , "Z-Cars" , "UFO" ( the 1970 episode "The Square Triangle" ) , "The Onedin Line" , "" , "The Lotus Eaters" , "The Carnforth Practice" , "The Sweeney" , "Doctor Who" ( the serial "Underworld" ) , "Return of the Saint" , "The Aphrodite Inheritance" , "The Standard" , "Minder" , "The Professionals" , "Bergerac" , "The Dark Side of the Sun" , "The Bill" , "Dempsey & Makepeace" , "Emmerdale Farm" , Coronation Street , "A Very Peculiar Practice" and "Crime Traveller" . 
<triplet> The Square Triangle <subj> UFO <obj> part of the series <triplet> Underworld <subj> Doctor Who <obj> part of the series