Arte

• Luciano Ricceri — production design
• Antonia Rubeo — art direction

Vestuario y maquillaje

• Nanà Cecchi — costume design

Reparto

• Ben Gazzara — Mike Zella
• Kate Nelligan — Sarah Howell
• Kate Reid — Camille Dupont
• Burt Lancaster — Dr. Herbert Monroe
• Erland Josephson — Swanson
• Ingrid Thulin — Mrs. Havemeyer
• Cyrielle Clair — Laura Swanson
• William Berger — Mr. Peterson
• Jean Benguigui — Max Bloch
• Andréa Ferréol — Rosy Bloch
• Lavinia Segurini — Eva Bloch
• Flavio Bucci — Herman Pundt
• Zeudi Araya — Sheba (as Zeudi Araya)
• Amy Werba — Greta Hellstrom
• Andrea Occhipinti — Matteo
• Alfredo Pea — Dr. Paul Benoit
• Dean Magri — Jamie Howell

Cámara

• Armando Nannuzzi — director of photography

Producción

• Denis Héroux — executive producer
• Franco Cristaldi — producer
• Alexandre Mnouchkine — co-producer

Sonido

• Ennio Morricone — original music composer

Montaje

• Ruggero Mastroianni — editor

Dirección

• Giuliano Montaldo — director

Guion

• Piero Angela — screenplay
• Jeremy Hole — screenplay
• Giuliano Montaldo — screenplay