Robert Caine

Kirk Douglas

Angel Caine

Simon Ward

Sara Golan

Agostina Belli

Professor Griffith

Anthony Quayle

Eva Caine

Virginia McKenna

Dr. Kerouac

Adolfo Celi

Charrier

Romolo Valli

Harbin

Spiros Focás

Prime Minister

Ivo Garrani

Young Arab

Massimo Foschi

Robertson

John Carlin

Meyer

Alexander Knox

2nd Journalist

Denis Lawson

First Asylum Patient

Vittorio Fanfoni

Second Asylum Patient

Eugenio Masciari

Third Asylum Patient

Sergio Serafini

Fourth Asylum Patient

Domenico Di Costanzo

Gynecologist

Geoffrey Keen

Fanatical Demonstrator

Allan Hendrick

Sheckley

Peter Cellier

Clarke

Gerard Hely

Girlfriend (as Caroline Horner)

Caroline Langrishe

Caine’s Secretary

Penelope Horner

Air Hostess

Jenny Twigge

1st Journalist

Richard Cornish

3rd Journalist

John Bancroft

Nurse

Joanne Dainton