This is the second film of Michael Caine's to be remade with Jude Law in the starring role. Previously, Law appeared in Alfie (2004).
Michael Caine (Andrew Wyke) played the role of Milo Tindle in the original version: Sleuth (1972).
The film was shot entirely in sequence.
The original film had an entire cast of two. This remake has one extra character, playwright Harold Pinter does a cameo as a man seen on a television.
The remote used by Andrew Wyke is actually an Apple Universal remote used to control their Computers/iPod Docks.
Sleuth opened on Broadway at the Music Box Theater on 12 November 1970, originally starred Anthony Quayle as Andrew and Keith Baxter as Milo and ran for 1222 performances.