Aparichithan is a 2004 Indian Malayalam-language horror film directed by Sanjeev Sivan in his directorial debut. It stars Kavya Madhavan, Karthika and Manya in lead roles, and Mammootty in an extended cameo role. The plot centers around Ouija board and spiritualism. Music was composed by Suresh Peters.

Kavya Madhavan is a former Indian actress, who appeared predominantly in Malayalam films. She made her debut in 1991 as a child artist in Pookkalam Varavayi. Her debut role as one of the lead actresses was in Lal Jose's Chandranudikkunna Dikkil in 1999, when she was in the ninth grade. Its success established her status as one of the leading actress in the Malayalam industry during the 2000s. She has acted in over 75 movies. She has won the Kerala State Film Award for Best Actress twice, for her performances in Perumazhakkalam (2004) and Khaddama (2010).