Sonido

• Georges Delerue — original music composer

Guion

• Lee Langley — writer
• Hugh Leonard — writer
• James M. Cain — screenplay

Producción

• David Deutsch — producer
• Jack Hanbury — associate producer
• Miriam Brickman — casting

Cámara

• Gerry Fisher — director of photography
• Jack Roche — grip

Montaje

• Bert Bates — editor

Vestuario y maquillaje

• Jocelyn Rickards — costume design

Dirección

• Kevin Billington — director

Arte

• Peter Young — set decoration
• Tony Woollard — production design

Reparto

• Oskar Werner — Stefan Zelter
• Barbara Ferris — Sally
• Virginia Maskell — Antonia Zelter
• Donald Sutherland — Lawrence
• Nora Swinburne — Mary
• Alan Webb — Andrew
• Bernard Kay — George Selworth
• Geraldine Sherman — Natalie
• John Cleese — Television public relations man
• Gino Mulvazzi — Mario
• Muguette De Braie — Mario's wife
• Robert Lang — Humphrey Turnbull