
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 Hitchhiker's Guide to the Galaxy. He is also known for his portrayal of Sexton Blake for BBC Radio 4 in 1967.

NOVA
TV • 1974

The Avengers
TV • 1961

No Hiding Place
TV • 1959

Maigret
TV • 1960

Lovejoy
TV • 1986

The Champions
TV • 1968

Jonathan Creek
TV • 1997

Public Eye
TV • 1965

The New Avengers
TV • 1976

Justice
TV • 1971

The Upper Hand
TV • 1990

Interpol Calling
TV • 1959

The Adventures of Sir Lancelot
TV • 1956

The Adventures of the Scarlet Pimpernel
TV • 1955

The Count of Monte Cristo
TV • 1956

G.B.H.
TV • 1991

Cul-de-sac
MOVIE • 1966

Justice
TV • 2011