Richard Kiley

King Ethelred

James Broderick

Sussex

Larry Gates

Earl of Kent

Robert Gerringer

Bishop Aelfhun

Ernest Graves

King Sweyn

Howard Green

Thorkill

John Horn

Edmund

Elizabeth Hubbard

Queen Emma

Jessie Royce Landis

Queen Mother Alfreda

Michael Lombard

Abbot

Gilmer McCormick

Princess Thulja

David Gwillim

(uncredited)