William Franklyn

William Franklyn was a British actor perhaps best known for voicing the Schhh You Know Who adverts for Schweppes from 1965 to 1973 He also performed on stage film television and radio taking over from Peter Jones as The Book the narrator in the third fourth and fifth radio series of The Hitchhikers Guide to the Galaxy He is also known for his portrayal of Sexton Blake for BBC Radio 4 in 1967