Richard Burton

John Morlar

Lino Ventura

Brunel

Lee Remick

Doctor Zonfeld

Harry Andrews

Assistant Commissioner

Alan Badel

Barrister

Marie-Christine Barrault

Patricia

Jeremy Brett

Edward Parrish

Michael Hordern

Atropos - Fortune Teller

Gordon Jackson

Doctor Johnson

Michael Byrne

Duff

Derek Jacobi

Townley - Publisher

Malcolm Tierney

Deacon

Philip Stone

Dean

Robert Lang

Pennington

Avril Elgar

Mrs. Pennington

James Hazeldine

Lovelass

John Normington

Mr. Copley

Robert Flemyng

Judge McKinley

Norman Bird

Major Henry Morlar

Jennifer Jayne

Mrs. Morlar

Frances Tomelty

Nanny

George Innes

Van Driver

Ian Marter

Detective

Brook Williams

Male Nurse

Wendy Gifford

Receptionist

Shaw Taylor

TV Space Reporter

Gordon Honeycombe

TV Newscaster

Mark Jones

Sgt. Hughes

Maurice O'Connell

Sgt. Robbins

Victor Winding

Senior Police Officer

Anthony Blackett

Mounted Police Officer

Denyse Alexander

Hospital Doctor

John Flanagan

Police Constable

Stanley Lebor

Police Doctor

Cornelius Bowe

Young Morlar

Adam Bridges

10-Year-Old Morlar

Joseph Clark

14-Year-Old Morlar

Earl Rhodes

Parsons

Christopher Burgess

Pilot

Matthew Long

Co-Pilot

Colin Rix

Engineer

Malcolm Brownjohn

Man in Court Scene (uncredited)

Jeremy Coote

Policeman at Cathedral (uncredited)

Marc Furstenberg

Policeman (uncredited)

Clifford Harker

Organist (uncredited)

Guy Standeven

Teacher (uncredited)

David de Keyser

Brunel (voice) (uncredited)