Murder by Death Info:

Released in US	1976
Total US Gross	$32,511,047
Rentals	$19,106,000
Genres	Franchise Crossovers
Distributed by	Sony Pictures
Source	Original Screenplay
Major Genre	Comedy
Country	United States

Cast:

Alec Guinness		( as Jamesir Bensonmum, Twain's blind butler, aka Irving Goldman et al )
James Cromwell		( as Marcel the Chauffeur )
Maggie Smith		( as Mrs. Dora Chaleston )
Eileen Brennan		( as Tess Skeffington )
Peter Sellers		( as Inspector Sidney Wang )
David Niven		( as Dick Charleston )
Peter Falk		( as Sam Diamond/J.J. Loomis )