The story of Street Lights is based on the life of a Crime Branch police officer, James, who in his pursuit to solve a certain mystery, crosses path with several people and encounters various thrilling events. Will James succeed or fail in his mission and how will he react to the outcome, forms the crux.
| Actor | Role |
|---|---|
 MammoottyCI James Abraham | CI James Abraham |
 Lijomol JoseRemya | Remya |
 Soubin ShahirSubin | Subin |
 Hareesh PerumannaRaja | Raja |
 Dharmajan BolgattySachi | Sachi |
 Joy MathewSimon Mundakal | Simon Mundakal |
 Sudhi KoppaThotti Sibi | Thotti Sibi |
 Neena KurupMaria | Maria |
 Sohan SeenulalNot listed | Not listed |
 Gayathri KrishnaJenni | Jenni |
 RajendranManimaran | Manimaran |
 Stunt SilvaMurugan | Murugan |
 Adish PraveenMani | Mani |
 Pandi(Tamil Version) | (Tamil Version) |
 Sree Raam(Tamil Version) | (Tamil Version) |
 Pandiarajan(Tamil Version) | (Tamil Version) |
 Manobala(Tamil Version) | (Tamil Version) |
 Semmalar Annam(Tamil Version) | (Tamil Version) |
 Parthavi VinodNot listed | Not listed |
 Jude Anthany JosephPeeyush | Peeyush |
 Rony David RajSI Issac | SI Issac |
 NandhuRemya's Father | Remya's Father |
 Murugan MartinNot listed | Not listed |
 Seema G NairNot listed | Not listed |