The Tale of Sweeney Todd character of Sweeney Todd, the Demon Barber of Fleet Street, originated in an 1846–47 penny dreadful entitled "The String of Pearls". In 1847, George Dibdin Pitt adapted the story for a stage melodrama. A directed by George King was the first screen version. Christopher Bond's 1973 stage adaptation was musicalized by Stephen Sondheim in 1979. Schlesinger's film is a dramatic departure from the previous narratives. It dispenses with all the characters except Todd and Lovett, adds the plotline involving the missing diamonds, and offers a completely different reason for Todd's murder spree. The Victorian era locales were filmed in Dublin,
Sweeney Todd: The Demon Barber of Fleet Street That's what the play's about to him; Sweeney Todd is a product of that age. I think it's not. Sweeney Todd is a man bent on personal revenge, the way we all are in one way or another, and it has nothing whatsoever to do with the time he lived in, as far as I'm concerned.” When it came to casting, Sondheim thought stage veteran Angela Lansbury would add some needed comedy to the grim tale as the lunatic Cockney shopkeeper, but Lansbury needed to be convinced. She was a star by the late 1970s, and, as she pointed out