Sun Sun Thatha is an independent drama film released in 2012, directed by Nassar and starring Jamali Shadat and Abi Hassan in lead roles.
The film tells the story of a joyful moment between a child and his guardian, with the boy leading a lonely life before his guardian's arrival. The boy's parents are busy with their jobs.
The movie was shot in 2010 and features Nassar in a supporting role as the boy's father. Aruna Bala plays the role of the boy's mother. The film was produced by Nassar's wife, Kameela, a child psychologist.
After a hiatus, Nassar returns to directing with this film, which had a low-key release on December 8, 2012, in a single theatre for two shows.
The cast includes Abi Hassan as Abi, Jamali Shadat as Mr. Sun Sun, and Nassar as Abi's father. Aruna Bala plays the role of Abi's mother.