Saikumar started his career in cinema as a child artist in Vidarunna Mottukal. He made his debut in the Siddeeq-Lal directed blockbuster Ramji Rao Speaking(1989). It was directed by 2 debutants, Siddeeq and Lal and had debutant actors Saikumar and Rekha in the lead. Though the film was a comedy, Saikumar slowly shifted his concentration to serious roles. He proved his mettle in handling negative roles also. His villain character, Vasu in the Dileep starrer Kunjikkoonan, was highly acclaimed. He also won accolades for his performance as a Kathakali artist and the father of a highly talented but ailing son in Anandabhairavi.
Mazhavillinattam Vare 
Swami 
Ramji Rao Speaking
Ramji Rao Speaking
Plus Two
Sakudumbam Shyamala
Sakudumbam Shyamala
Nallavan
