Jamie Campbell Bower was born in London, England, to Anne Elizabeth (Roseberry), a music manager, and David Bower, who works for Gibson Guitar Co. His 4 times maternal great-grandfather was Sir John Campbell, the 7th Baronet of Ardnamurchan and Airds. Jamie is also the lead singer in a band called "Counterfeit." He went to Bedales School in Hampshire. Whilst still at school he was told that he had got the part of "Anthony" in "Sweeney Todd: The Demon Barber of Fleet Street," which he was recommended to audition for by family friend, Laura Michelle Kelly. Bower later went on to star in RocknRolla (2008) as "Rocker," directed by Guy Ritchie. He will make his next on-screen appearance as "Caius," a member of the Volturi coven, in the tween franchise that is The Twilight Saga: New Moon (2009) alongside actors such as fellow Brit Robert Pattinson and Kristen Stewart. Bower appeared in the third installment of Twilight, The Twilight Saga: Eclipse (2010) and The Twilight Saga: Breaking Dawn - Part 1 (2011). He also joined the "Harry Potter" cast as "Gellert Grindelward" in Harry Potter and the Deathly Hallows: Part 1 (2010) and Harry Potter and the Deathly Hallows: Part 2 (2011).