Catherine Tresa Alexander was born in 10 September 1989 to Malayali parents Frank Mario Alexander and Tresa Alexander in Dubai. she is an Indian film actress who appears in Tamil, Telugu, Malayalam and Kannada films. about her Education she didi her 12th class from Dubai and moved to Brngaluru for higher Education. along wwith studies she learn to play Piano and got trained in singing, dancing. After coming to India, she modelled for Nalli Silks, Chennai Silks, Fast Track, Josco Jewellers and Deccan Chronicle.
Catherine Tresa made her acting debut in 2010 Kannada film Shankar IPS opposite Duniya Vijay. Catherine went on to act in the Malayalam films, The Thriller and Uppukandam Brothers: Back in Action. In 2011, she did a role in the Kannada film Vishnu that she said was "equally opposite to her real life". she was next signed for chammak challo directed by Neelakanta. but she got noticed and received positive reviews