la Compagnie Nouvelle Commerciale présente ; production dirigeé par Georges Bernier ; production, Compagnie Nouvelle Commerciale ; [directed by Billy Wilder and Alexander Esway]
directed by Alex Segal ; performed by Ingrid Bergman, Sir Michael Redgrave, Sir Ralph Richardson, Trevor Howard, Beatrice Varley, Ursula Jeans, Dilys Hamlett ; produced by Norman Rutherford, Lars Schmidt, David Susskind, British Broadcasting Corporation, Columbia Broadcasting System
un film di Lina Wertmüller ; prodotto da Romano Cardarelli per la Medusa Distribuzione ; soggetto e sceneggiatura, Lina Wertmüller ; regia, Lina Wertmüller
CONACINE y Dasa Films, S. A. presentan ; argumento y libro cinematográfico, Jaime Humberto Hermosillo ; producida por Corporación Nacional Cinematográfica, S. A. de C. V. y Dasa Films, S. A. ; dirección, Jaime Humberto Hermosillo