Over the years, the Kollywood film industry has created a niche for cameo roles, and many directors have embraced this trend that's received well among the audiences. These are some of the most memorable special appearances in Tamil cinema:

1. Nagesh in Magalir Mattum

Magalir Mattum is a blockbuster hit comedy film that sheds light on sexual harassment in the workspace. The movie starring Revathi, Urvashi, Rohini, and Nassar, had two cameo appearances by popular stars. While Kamal Haasan appeared as the trio's boss at the end of the film, the unique cameo by Nagesh stole the spotlight. Nagesh played a corpse in the movie, which became one of the most unusual cameos of all time.

2. Simran in Pithamagan

Pithamagan is a critically acclaimed hit movie featuring Vikram and Suriya in the lead role. Actress Simran did a cameo by appearing as herself in the film and danced to a mix of classic and popular Tamil songs.

3. Ajith Kumar in English Vinglish

Ajith made a special appearance in the Tamil version of the Sridevi-starrer 'English Vinglish'. Sridevi played a naive homemaker who flies to New York, and Ajith appears as one of the co-passenger on the flight who helps her out throughout the journey.

4. Silambarasan in Kanna Laddu Thinna Asaiya

Simbu who introduced Santhanam as a comedian in 'Manmadhan' appeared in the popular hit movie 'Kanna Laddu Thinna Asaiyaa' in a cameo role. He appeared as himself - a top Kollywood actor in a scene where Santhanam, Sethuraman, and Powerstar Srinivasan tries to convince him to marry the lead actress and even plot to kidnap him for the same purpose.

5. Kamal Haasan in Nala Dhamayanthi

Actor Madhavan has worked together with Ulaganayagan Kamal Haasan in several movies including 'Anbe Sivam' and 'Manmadha Ambu'. Later Kamal Haasan made a cameo appearance in 'Nala Dhamayanthi', a movie starring Madhavan in the lead role and was produced by Kamal Haasan himself. Kamal appeared in the movie dressed in his iconic Virumandi role.