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