- Country: USA
- Genres: Crime, Drama, Mystery
- Release: 1979-02-17
- Director: Robert Day
- Writers: Richard Levinson , William Link
- Language: English
- Stars: Richard Anderson , Katharine Ross , Hal Holbrook , Barry Bostwick , Bill Fiore , Phil Leeds , Eve McVeagh , Jeff Donnell , Maida Severn , Lloyd McLinn
- Runtime: 100 min
- Awards: 1 win
- AKA: Asasinat prin cauze naturale (Romania) , Ein ganz natürlicher Mord , Murha luonnollisista syistä (Finland) , Crimen por causas naturales (Spain) , Une mort trop naturelle (France, French Republic) , 謎の完全殺人 (Japan) , Természetes halál (Hungary) , 殺しの演出者 (Japan) , Asesinato por causas naturales (Spain) , Mördande arv (Sweden) , Asesinato por causas naturales (Argentina) , Murder by Natural Causes (Canada) , Murder by Natural Causes , Assassinio per cause naturali (Italy) , Murder by Natural Causes (United States of America)
- Plot: Allison, the unfaithful wife of a famous mentalist with a heart problem, wants her lover to try to kill her husband by scaring him to death, but the whole thing goes downhill.
- IMDB:tt0079593
Murder by Natural Causes Cast · · · ALL
Robert Day
Director
Hal Holbrook
Arthur Sinclair
Katharine Ross
Allison Sinclair
Richard Anderson
George Brubaker
Barry Bostwick
Gil Weston
Bill Fiore
Marty Chambers
Phil Leeds
Eddie, Private Detective
Eve McVeagh
Helen Carrington
Jeff Donnell
Mrs. Mathews
Maida Severn
Garden Party Hostess
Victoria Carroll
Television Actress
Jessica Rains
Technician
Judith-Marie Bergan
Production Assistant
Vivian Brown
Maid
Rosanna Huffman
Woman in Play