Shamna made her Malayalam debut with Manju Poloru Penkutty (2004) and went on to appear in films such as College Kumaran, Flash, Mili, Aakashaganga 2, and Thundu. In Telugu cinema, she earned recognition through Avunu, Avunu 2, Laddu Babu, Raju Gari Gadhi, Sundari, Akhanda, and Dasara. Her Tamil films include Kangana Ranaut’s Thalaivi, Muniyandi Vilangial Moonramandu, Vithagan, Kodiveeran, Savarakathi, and Devil. She has also appeared in Kannada films like Jayasimha and Seema Tapakai.
