Jamie Campbell Bower

Jamie Campbell Bower (born 22 November 1988) is an English actor and singer, who is best known for his role as Anthony Hope in Tim Burton's Sweeney Todd: The Demon Barber of Fleet Street, his role of Caius in The Twilight Saga: New Moon and his role of King Arthur in the Starz original series Camelot. He also appeared as the young Gellert Grindelwald in the two-part Harry Potter and the Deathly Hallows and will play Jace Wayland in the upcoming film adaption of the Mortal Instruments (series). Description above from the Wikipedia article Jamie Campbell Bower, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Cast

RocknRolla
Rocker

Sweeney Todd: The Demon Barber of Fleet Street
Anthony

Witchboard
Alexander Babtiste

Anonymous
Young Earl of Oxford

Winter in Wartime
Jack

The Twilight Saga: New Moon
Caius

London Boulevard
White Boy

The Twilight Saga: Breaking Dawn - Part 2
Caius

The Haunting in Wicker Park
Ed Becker

The Mortal Instruments: City of Bones
Jace Wayland

Horizon: An American Saga - Chapter 1
Caleb Sykes

Emmanuelle
Sir John
Making of Oorlogswinter
Self

Horizon: An American Saga - Chapter 2
Caleb Sykes

Thomas & Friends: Sodor's Legend of the Lost Treasure: The Movie
Skiff (voice)

The Dinner Party
Douglas

The Twilight Saga: Breaking Dawn - Part 1
Caius

Fantastic Beasts: The Crimes of Grindelwald
Young Grindelwald

Six Days of Sistine
Jean-Baptiste
Sweeney Todd: The Demon Barber of Fleet Street - Burton + Carter + Depp = Todd
Self

Thomas & Friends: Extraordinary Engines
Skiff (voice)

Harry Potter and the Deathly Hallows: Part 1
Young Grindelwald

Caer
Boy

Stranger Things 5: The Finale
Vecna / Henry Creel / One / Mr. Whatsit