Elijah Wood as Martin

John Hurt as Arthur Seldom

Leonor Watling as Lorna

Julie Cox as Beth

Jim Carter as Inspector Petersen

Alex Cox as Kalman

Burn Gorman as Yuri Podorov

Dominique Pinon as Frank

Anna Massey as Julia Eagleton

Tom Frederic as Ludwig Wittgenstein

James Howard as Newscaster

Danny Sapani as Scott

Duane Henry as Policeman

Alan David as Mr. Higgins

Charlotte Asprey as Howard Green's Wife

Ian East as Howard Green

James Weber Brown as Doctor

Tim Wallers as Defense Lawyer

John Snowden as Professor in Lecture