Ray Winstone as Beowulf / Golden Man / Dragon

Angelina Jolie as Grendel's Mother

Anthony Hopkins as Hrothgar

John Malkovich as Unferth

Robin Wright as Wealthow

Brendan Gleeson as Wiglaf

Crispin Glover as Grendel

Alison Lohman as Ursula

Paul Baker as Musician #1

John Bilezikjian as Musician #2

Rod D. Harbour as Musician #3

Sonje Fortag as Gitte

Sharisse Baker-Bernard as Hild

Charlotte Salt as Estrith

Julene Renee as Cille

Greg Ellis as Garmund

Rik Young as Eofor

Sebastian Roché as Wulfgar

Leslie Zemeckis as Yrsa

Woody Schultz as Aesher

Tyler Steelman as Young Cain

Nick Jameson as Drunken Thane

Shay Duffin as Scylding's Watch

Costas Mandylor as Hondshew

Chris Coppola as Olaf

Dominic Keating as Old Cain

Jacquie Barnbrook as Aethelbeorg

Fredrik Hiller as Frisian Leader

Daniel D. McGrew as Beowulf's Scop

Alan Jones Silva as Beowulf's Jester

Kevin Dorman as Additional Adult Performer

Richard Burns as Additional Adult Performer

Jared Weber as Additional Adult Performer

Tom West Jr. as Additional Adult Performer

Chris Mala as Additional Adult Performer

Tim Trobec as Additional Adult Performer

Camille Lannan as Additional Adult Performer

Michael Lofgren as Additional Adult Performer

Rob McCabe as Additional Adult Performer

Larkin Campbell as Additional Adult Performer

Chris Cummins as Additional Adult Performer

John Littlefield as Additional Adult Performer

Shawn Driscoll as Additional Adult Performer

Amy Esacove as Additional Adult Performer

Emily Johnson as Additional Adult Performer

Nadine Stenovitch as Additional Adult Performer

Anne Marie Wilson as Additional Adult Performer

Fred Tatasciore as Additional Voices (voice)

Holly Duff as Voice Performer (voice)

Neil Dickson as Voice Performer (voice)

Peter Lavin as Voice Performer (voice)

Matthew A. Ward as Voice Performer (voice)

Peter Dennis as Voice Performer (voice)

Keith Kraft as Additional Adult Performer (uncredited)