Shivarajkumar agreed to act in this film even without listening to the story plot as the lead role is done by Rajinikanth as a sign of respect. Director Nelson had narrated the story to him later on.
Rajinikanth and Ramya Krishnan paired after Padaiyappa (1999), 24 years after for this movie Jailer. However, Ramya Krishnan also did a cameo role in Baba (2002) movie which was 21 years ago.
Rajnikanth and Jackie Shroff team up after Uttar Dakshin (1987).
Jalier has the record of highest first week gross box office collection in the history of Tamil Cinema (Kollywood) as of 2023.
Both Rajinikanth and Mohanlal have worked in the remake of Don namely Billa and Shobhraj