Richard Burton

John Morlar

Lee Remick

Dr. Zonfeld

Lino Ventura

Detective-inspector Brunel

Harry Andrews

Assistant Commissioner

Alan Badel

Quinton - Barrister

Marie-Christine Barrault

Patricia Morlar

Jeremy Brett

Edward Parrish

Michael Hordern

Altropos - Fortune Teller

Gordon Jackson

Dr. Johnson

Michael Byrne

Sgt. Duff

Derek Jacobi

Moulton - John's Publisher

Robert Lang

Pennington

Avril Elgar

Mrs. Pennington

John Normington

Mr. Copley - John's Schoolmaster

Robert Flemyng

Judge McKinley

Philip Stone

Dean

Malcolm Tierney

Deacon

Norman Bird

Maj. Henry Morlar - John's Father