James D'Arcy as Jake Martel

Natasha Wightman as Mira

Terence Stamp as Magnus Martel

Charlotte Weston as Lord Martel's PA

Udo Kier as The Grand Master

Liam Cunningham as Father Ray Connolly

Ron Moody as Sir Isaac Newton

Derek Jacobi as Librarian

Earl Cameron as Cardeal Chisamba

Diran Meghreblian as Craftsman

Manuel Cauchi as Mob Priest

Celia Imrie as Harriet Martel

Pip Torrens as Professor Claxton

Oliver Ford Davies as Professor Casaubon

Chris Rogers as Newsreader

Mark Heenehan as General Demolay's Aide

Jean-Marc Perret as Newton's Acolyte

Vernon Dobtcheff as Curé at Rennes-le-Chateau

Earl Cameron as Cardinal Chisamba

Joseph Long as Brigadiere

Sidney Kean as Europolitician

Heathcote Williams as New Age Man