Aaron Taylor Johnson as James Potter
Karen Gillian as Lily Potter

Asa Butterfield as Maverik Potter

Daniel Radcliffe as Harry Potter

Harry Melling as Dudley Dursley

Ben Barnes as Sirius Black

Imogen Poots as Marlene Black

Ashley Greene as Cassiopea Black

Andrew Garfield as Remus Lupin

Sarah Gadon as Narcissa Malfoy

Jason Isaac as Lucius Malfoy

Nikki Reed as Nicole Malfoy 

Jamie Waylett as Vincent Crabbe
Tom Felton as Draco Malfoy
Joshua Herdman as Gregory Goyle

Madelaine Petsch as Alexandra Weasley

Benjamín Wadsworth as Mattheo Riddle

Katherine Nicholson as Pansy Parkinson

Hannah Snow as Daphne Greengrass

Kaya Scodelario as Astoria Greengrass

Caleb Mclaughlin as Blaise Zabini

Rupert Grint as Ronald Weasley
James Phelps as Fred Weasley
Oliver Phelps as George Weasley

Emma Watson as Hermione Granger

{Resto del Cast como ellos mismos}