
The Big Sleep
- Blwyddyn: 1978
- Gwlad: United Kingdom, United States of America
- Genre: Crime, Mystery
- Stiwdio: ITC Entertainment, Winkast Film Productions
- Allweddair: daughter, based on novel or book, general, blackmail, remake, murder, gay theme
- Cyfarwyddwr: Michael Winner
- Cast: Robert Mitchum, Sarah Miles, Richard Boone, Candy Clark, Joan Collins, Edward Fox