: Reviewers on Rotten Tomatoes give it a 71% approval rating , praising Caine's "finely layered performance" as an amoral anti-hero.

The original novel is a standalone work, separate from Brett’s popular Charles Paris detective series.

" A Shock to the System " is most notably a by Simon Brett, later adapted into a 1990 cult classic film starring Michael Caine. The title has also been used for recent music releases by Daughtry and Tower. Film Review: A Shock to the System (1990)

: Some viewers find the plot slightly unfocused or thematically thin in its later stages. Book Review: A Shock to the System by Simon Brett (1984)