William Leo Franklyn (22 September 1925 – 31 October 2006) 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 Hitchhiker's Guide to the Galaxy. He is also known for his portrayal of Sexton Blake for BBC Radio 4 in 1967. Early life Franklyn was born in Kensington into an acting family: his maternal grandfather, Arthur Rigby, Sr and uncle, Arthur Rigby, Jr, mother, Mary Rigby, and father, Leo Franklyn, were all actors. He was taken to Australia as a baby, where his father toured with musical comedies. The young Franklyn attended Wesley and Haileybury Colleges, both in Melbourne, and developed an abiding love of cricket. He later trialled as a fast bowler for Essex, and opened the bowling for the Stage Cricket Club. He also became a leg spinner, and ran his own team, the Sargentmen, raising money for the Malcolm Sargent Cancer Fund for Children. He returned to London, aged 11. He was evacuated to Luscombe Castle in Devon in the Second World War. His stage career began at the age of 18, when he appeared in My Sister Eileen at the Savoy Theatre in 1943. He was called up to join the Parachute Regiment, and was sent to Palestine. Career He appeared in Arsenic and Old Lace at Southsea Pier in 1946, soon after he was demobilised, and settled on an acting career. He continued to tour with the play in repertory for six years. In a slow period, he traded as an antiques dealer, taking junk away on a barrow from rich areas of London and selling it as antiques. He went on to perform on the stage, on television and radio, and in several films. He appeared in several films in the 1950s, including Quatermass 2 in 1957, and took a starring role in the 1961 film Pit of Darkness which was the B-feature shown with Adam Faith's What A Whopper. He featured in the 1965 Morecambe and Wise film The Intelligence Men. He appeared in London's West End in comedies such as There's a Girl in My Soup and Tunnel of Love. After perfunctory Italian lessons, he directed a version of There's a Girl