Jarnail Singh is a director and an actor. In 1979, he directed his first movie known as Mahi Munda, and the very next year he acted in his first film, Sardar Kartar (1980). After that, he has been seen in many movies and played roles alongside many high profile actors like
and . Recently he was seen in Punjabian Da King (2015) and Special 26 (2013). He has also acted in Jatt Sucha Singh Soorma (1996), Raghu Romeo (2003), Patth (2003),
(2008) and Sankat Singh (2009).