A former gangster who once swore to give up his violent ways must break his vow in order to defeat his enemies and protect his estranged wife.
Unfortunately the movie Retro is not yet available on HBO Max.
| Directing | Karthik Subbaraj | Director |
| Writing | Karthik Subbaraj | Writer |
| Sound | Santhosh Narayanan | Music |
| Production | Suriya | Producer |
| Camera | Shreyaas Krishna | Director of Photography |
| Editing | Shafique Mohamed Ali | Editor |
| Costume & Make-Up | Praveen Raja | Costume Designer |
| Art | V. Mayapandi | Production Design |
| Art | Jacki | Production Design |
| Camera | M. Dinesh | Still Photographer |
| Crew | M. Sherif | Choreographer |
| Costume & Make-Up | Vinoth Sugumaran | Makeup & Hair |
| Production | Jyothika | Producer |
| Production | Rajsekar Pandian | Co-Producer |
| Production | Kaarthekeyen S | Co-Producer |
| Writing | Vivek | Lyricist |
| Sound | Santhosh Narayanan | Playback Singer |
| Costume & Make-Up | M Mohammed Subier | Costumer |
| Sound | G. Suren | Sound Designer |
| Sound | S Alagia Koothan | Sound Designer |
| Editing | Suresh Ravi | Colorist |
| Production | M Ashok Narayanan | Executive Producer |
| Production | Ganesh PS | Production Executive |
| Directing | Srinivasan Elangovan | Assistant Director |
| Directing | Anand Purusoth | Assistant Director |
| Directing | Bharath Muralidharan | Assistant Director |
| Directing | Jagdish Babu | Assistant Director |
| Directing | Mahesh Balu | Assistant Director |
| Directing | Sooraj Das | Assistant Director |
| Directing | Muruganantham | Assistant Director |
| Directing | Avinash R | Assistant Director |
| Directing | Mohan Kumar R. | Assistant Director |
| Directing | Selvakumar | Assistant Director |
| Directing | Praveen Giri | Assistant Director |
| Directing | Venkat Murugan | Assistant Director |
| Crew | Kaecha Kampakdee | Stunt Coordinator |
| Crew | B. Senthil Kumar | Production Controller |
| Crew | Yuvraaj | Public Relations |
| Production | Tuney John | Publicist |
| Sound | Sid Sriram | Playback Singer |
| Sound | Shan Vincent de Paul | Playback Singer |
| Writing | Shan Vincent de Paul | Lyricist |
| Editing | Alphonse Puthren | Co-Editor |
| Writing | Arunraja Kamaraj | Lyricist |
| Sound | Suriya | Playback Singer |
| Sound | Punya Selva | Playback Singer |
| Sound | 808Krshna | Playback Singer |
| Writing | 808Krshna | Lyricist |
| Crew | Hanuman Choudary | Additional Dialogue |
| Writing | Raqueeb Alam | Lyricist |
| Sound | Raqueeb Alam | Playback Singer |
| Sound | Ananthu | Playback Singer |
| Sound | G. Suren | Sound Mixer |
