Filming of ""Sweeney Todd,"" the Tim Burton-directed motion picture based on the Stephen Sondheim and Hugh Wheeler musical, is now complete.

Variety reports that the $50 million DreamWorks film was completed by director Burton in 50 days. The movie musical is scheduled to open during the last week of December 2007.

""Sweeney Todd"" follows the story of a wrongfully imprisoned barber in Victorian England who sets out to seek revenge on the judge who imprisoned him. The stage work features a score by Sondheim and a book by Wheeler based on the play by Christopher Bond.

Burton returns to his familiar casting pool with Johnny Depp (the duo previously teamed on ""Edward Scissorhands,"" ""Ed Wood,"" ""Sleepy Hollow,"" ""Corpse Bride"" and ""Charlie and the Chocolate Factory"") in the title role and Helena Bonham Carter (seen in ""Charlie and the Chocolate Factory,"" ""Big Fish,"" ""Planet of the Apes"" and in voice on ""Corpse Bride"") as piemaker Mrs. Lovett.

The film also features Alan Rickman (Private Lives, the ""Harry Potter"" films) as Judge Turpin, Timothy Spall (""Harry Potter"") as Beadle Bamford and Sacha Baron Cohen (""Borat,"" ""Talladega Nights"") as Signor Adolfo Pirelli.

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