Movie guide
The Big Sleep (1978): movie guide
The Big Sleep (1978) is a Crime, Mystery running about 100 minutes. It holds a TMDB score of 5.9/10 from 106 votes. Notable cast includes Robert Mitchum, Sarah Miles, Richard Boone, Candy Clark. Cinema Box covers trailers, cast, and details for discovery — not full streaming.
- Released: 1978-03-13
- Runtime: 100 min
- TMDB: 5.9/10
- Genres: Crime, Mystery
Last updated: 2026-11-11 · First listed: 1978-03-13

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What is The Big Sleep about?
Private eye Philip Marlowe investigates a case of blackmail involving the two wild daughters of a rich general, a pornographer and a gangster.
Cast highlights
The Big Sleep features Robert Mitchum, Sarah Miles, Richard Boone, Candy Clark, Joan Collins, Edward Fox. Open the Cinema Box title page for the full cast list and character credits.
Key facts
Release date: 1978-03-13. Runtime: 100 minutes. TMDB score: 5.9/10 (106 votes). Genres: Crime, Mystery. Original language: en. Status: Released.
Discover The Big Sleep on Cinema Box
Cinema Box is a movie and TV discovery app for Android. Use it to browse The Big Sleep, watch official trailers when available, save titles to your list, and plan what to watch — without hosting or streaming full films.
Frequently asked questions
- What genre is The Big Sleep?
- The Big Sleep is listed as Crime, Mystery on TMDB.
- How long is The Big Sleep?
- The Big Sleep runs about 100 minutes.
- Who stars in The Big Sleep?
- Cast highlights include Robert Mitchum, Sarah Miles, Richard Boone, Candy Clark, Joan Collins, Edward Fox.
- Does Cinema Box stream The Big Sleep?
- No. Cinema Box is discovery-only — trailers, details, ratings, and watchlists. It does not host or stream full movies.
- Where can I track The Big Sleep?
- Open the The Big Sleep page on cinemabox.app or install the official Cinema Box Android app from Google Play for watchlists and discovery tools.








