| Real Name | Sai Kumar |
| Nickname | Sai Kumar |
| Gender | Male |
| Profession | Actor |
| Height | 5'9" (175 cm) |
| Weight | 75 kg (approx.) |
| Eye Colour | Dark Brown |
| Hair Colour | Black |
| Date of Birth | 30 April 1963 |
| Age | 62 Years |
| Date of Death | |
| Birth Place | Kollam, Kerala, India |
| Hometown | Kollam, Kerala |
| Nationality | Indian |
| Zodiac Sign | Taurus |
| Education | Not widely documented |
| School / College | Details not widely documented |
| Parents | Father: Kottarakkara Sreedharan Nair, Mother: Vijayalakshmi Amma, Sister: Shobha Mohan, Nephews: Vinu Mohan, Anu Mohan |
| Spouse | Bindu Panicker (m. 2009), previously Prasanna Kumari (m. 1986; div. 2007) |
| Marital Status | Married |
| Hobbies | Reading, acting |
| Net Worth | Estimated ₹15–20 Crore (approx.) |
Sai Kumar, born on 30 April 1963 in Kollam, Kerala, is a prominent Indian actor known for his extensive work in Malayalam cinema. Son of the legendary actor Kottarakkara Sreedharan Nair, Sai Kumar entered films in the late 1970s and quickly established himself as a versatile performer. He gained recognition for his ability to portray both heroic and villainous roles, with standout performances in films like Ramji Rao Speaking (1989) and Makkal Mahatmyam (1990). His commanding voice and intense screen presence made him one of the most respected actors in the industry.
Over the decades, Sai Kumar has acted in hundreds of films, earning acclaim for his adaptability across genres. He has also appeared in Tamil and Telugu films, further expanding his reach. His contribution to Malayalam cinema has been recognized with several awards, and he continues to be admired for his dedication to the craft and his ability to bring depth to every role he plays.