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.
Splitting Heirs
Andrews
The Satanic Rites of Dracula
Peter Torrence
The Snorkel
Wilson
Pit of Darkness
Richard Logan
Ooh...You Are Awful
Arnold Van Cleef
London Suite
Widley
That Woman Opposite
Ned Atwood
The Flesh Is Weak
Lloyd Buxton
Nutcracker
Sir Arthur Cartwright
Fury at Smugglers' Bay
Captain
Cul-de-sac
Cecil
Robert Rylands' Last Journey
Robert Rylands
The Big Day
Mr. T. Selkirk
Time Is My Enemy
Sgt. Peter Thompson
Quatermass 2
Dr. Tom Brand
Diana: Her True Story
Lord Mountbatten
The Love Match
Arthur Ford
Operation Diplomat
Dr. Gillespie
J.G. Ballard: A Profile
Readings (voice)
Above Us the Waves
No. 1, X2
The Intelligence Men
Colonel Grant
Danger Within
Capt. Tony Long
The Legend of Young Dick Turpin
Tom King
The Crowded Day
Studio Official