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.
Narrator (voice)
Brinstead
Eric
Narrator of Banana Commercial (voice) (uncredited)
Burgess
Baron Mortaise
Hartington
Phillipe
Jacques Fleury
Nevil
Count Maurice
James Kirby
Conrad Schneider
Larry Sullivan
Distinguished Gent
Cecil
Peter Torrence
Dr. Tom Brand
Lord Mountbatten
Dr. Gillespie
Andrews
No. 1, X2
host
Captain
Wilson
Arnold Van Cleef
Robert Rylands
Capt. Tony Long
Widley
Colonel Grant
Richard Logan
John Hamilton
Mr. T. Selkirk
Tom King
Lloyd Buxton
Sir Arthur Cartwright
Readings (voice)
Sgt. Peter Thompson
Arthur Ford
Ned Atwood