Tom Baker

~ as ~

Sherlock Holmes

Terence Rigby

~ as ~

Watson

Nicholas Woodeson

~ as ~

Sir Henry Baskerville

Morris Perry

~ as ~

Barrymore

Will Knightley

~ as ~

Doctor Mortimer

Gillian Martell

~ as ~

Mrs. Barrymore

Christopher Ravenscroft

~ as ~

Jack Stapleton

Kay Adshead

~ as ~

Beryl Stapleton

Caroline John

~ as ~

Laura Lyons

William Squire

~ as ~

Frankland