Trivia

Director Fazil persuaded him to act in films; it was Fazil who showed the results of his screen test to Ranjith, who directed him in 'Nandanam'.

Son of late actor Sukumaran and actress Mallika Sukumaran, brother of Indrajith Sukumaran, and brother-in-law of actress Poornima Indrajith

Did his schooling from Sainik School, Thiruvananthapuram and Bharathiya Vidya Bhavan School, Thiruvananthapuram. He also pursued his Bachelor's degree in Engineering/IT from the University of Tasmania, Australia.

Was asked to wear a beard in films because directors felt that it would make him look older.

While vacationing in Trivandrum, he was grabbed by director Ranjith to act in Nandanam (2002). He was then flooded with other tempting film offers that Prithviraj, then in his second year in Engineering, decided to take a break from studies to concentrate on acting.

Hindi debut was Aiyyaa (2012).