A BBC Television Production in association with London Film Productions Limited. By arrangement with Gerry Blattner Productions, Ltd. ; produced by Martin Lisemore ; directed by Herbert Wise ; written by Jack Pulman
Janus Films ; Studio Canal ; un film P.D.C.-O.F.I. ; prodotto da Luigi Rovere ; regia di Federico Fellini ; sceneggiatura di Federico Fellini e Tullio Pinelli con la collaborazione di Ennio Flaiano ; da un soggetto di M. Antonioni, F. Fellinim, T. Pinelli
Columbia Pictures and Imagine Entertainment present ; Skylark Productions ; a John Calley production, a Brian Grazer production, a Ron Howard film ; produced by Brian Grazer, Ron Howard, John Calley ; screenplay by David Koepp and Akiva Goldsman ; directed by Ron Howard