Agatha Christie Ltd. ; ITV Global Entertainment ; screenplays by Clive Exton ... [and others] ; directed by Edward Bennett and Renny Rye ; produced by Brian Eastman
Agatha Christie Ltd. ; directed by Andrew Grieve, Stephan Whittaker, and Ross Devenish ; produced by Brian Eastman ; screenplays by Clive Exton, William Humble
a Compton Production ; Michael Klinger and Tony Tenser present ; original screenplay by Roman Polanski and Gérard Brach ; produced by Gene Gutowski ; directed by Roman Polanski