Harry Potter star vanishes

The first big screen adventure of Harry Potter is being made

LONDON, England -- A cat with a leading role in the forthcoming Harry Potter film has gone missing.

Knut, a silver tabby, plays Professor McGonagall's feline alter-ego in Harry Potter and the Sorcerer's Stone.

He has not been seen for a week and its owner fears a Potter fan may have spirited Knut away.

"He may just have gone walkabout -- I hope so because then maybe he will come home," said , Ulrike Darbon, from Brighton on Saturday.

"He might be a star but to us he's just our cat and we want him back."

Knut, who is almost two, stars alongside Dame Maggie Smith as the professor who transforms herself into a cat.

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