Only Fools and Horses star Roger Lloyd-Pack will play Barty Crouch Snr. He also appeared in The Vicar of Dibley.
David Tennant will play Deatheater Barty Crouch Jnr. And Pedja Bjelac will play Professor Karkaroff. Jeff Rawle will play Amos Diggory, Cedric's dad.
The studio has also officially confirmed some of the casting exclusively revealed by CBBC Newsround over the last few weeks.
More actors named
Robert Pattinson as Cedric Diggory, Clemence Poesy as Fleur Delacour. Brendon Gleeson as Mad-Eye Moody and Frances de la Tour as Madame Maxime.
In addition Stanislav Ianevski will play Viktor Krum and Katie Leung will play Cho Chang.
Jason Isaacs will also be back as Lucius Malfoy and Shirley Henderson as Moaning Mrytle.
Harry Potter and the Goblet of Fire will be in cinemas in November 2005.
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