Thapalkaran is a film which has the backdrop of the post office. T Udhayakumar who had earlier directed films such as Kedayam and Azhaipithal is directing the film. He was also earlier an assistant to director Raj Mohan. He had also worked for director Krish who directed the film Vaanam. V S Balamurugan is producing the film under the banner Sri Venus Productions.
Santosh Pratap who had acted in the film Kathai Thiraikathai Vasanam Iyakkam is donning the lead role. Niharika will be pairing with Santosh. Lollu Sabha Swaminathan, Manobala, Delhi Ganesh, professor Gnanasambandham, Munishkanth, Vinodhini and Rekha Suresh are donning important roles.
G Selvakumar is handling the camera while Nero Prabhakaran is composing the music. The director while speaking about the film said, “ The hero dreams for an overseas job but he gets a government job. He joins the work with great regrets, There is finds a lots of mistakes taking place which affects the elderly people. He accepts this challenge and tries to rectify it. How he does it is the rest of the story. This film is wholesome entertainer with all the commercial ingredients.”