Dhanush will star in OM: Chapter 1- Udhiram: The Blood Wood, an action-thriller directed by director Rajkumar Periasamy, which is one of the most anticipated films of 2026 in Tamil. With the likes of Mammoothy, Sai pallavi and sreeleela in the cast and the fact it promises an action-packed forest-based story, there is huge hype surrounding the film.
The project is Dhanush’s 55th film as the lead actor and looks like the star of a series of multiple-chapters that are planned. The marketing is on-track, the fan hype has been catching up and with massive production and highly visible advertising, OM is looking to become one of the year’s big movie releases.
OM Movie Overview
| Category | Information |
| Movie Name | OM – Chapter 1: Udhiram: The Blood Wood |
| Release Date | 20 November 2026 |
| Lead Cast | Dhanush, Mammootty, Sai Pallavi, Sreeleela, Naseeruddun Shah, Indrans |
| Writer | Rajkumar Periasamy |
| Director | Rajkumar Periasamy |
| Producer | Dhanush, Shraddha Agrawal, Azmat Jagmag |
| Genre | Action, Drama, Thriller |
| Language | Tamil, Telugu, Hindi |
| Platform | Theatrical Release |
OM: Chapter 1- Udhuram: The Blood is an upcoming Tamil action thriller film directed by Amaran director Rajkumar Periasamy. Wunderbar Films and RTake Studios have pulled together a stellar mix of veteran and new talent. Dhanush leads the film with Mammoothy, Sai Pallavi, Sreeleela, Naseeruddun Shah and Indrans. Sai Abhyankkar composed the music, K Ezhil Arasu did the cinematography and R. Kalaivanan did the editing.
OM Movie Release Date
On 20 November 2026, OM: Chapter 1 – Udhiram will be released theatrically worldwide. The release date had been announced earlier in October but makers decided to go for a different date as it was a big decision to avoid a big clash with another big Tamil film. Exhibiting it as pan-Indian film in Tamil, Telugu and Hindi, the film is likely to reach out to a far larger audience than those who speak Tamil language.
Cast and Crew
Dhanush stars in the movie as Sekar and Malayalam superstar Mammootty stars as the powerful Burma Karthikeyan or Siya. The supporting cast includes Sai Pallavi, Sreeleela, Naseeruddin Shah and Indrans who form one of the best groups in recent Tamil films.
Director Rajkumar Periasamy brings to the screen a sequel to his 1985 film Amaran, in which he reunited with actor R. Kalaivanan as editor, and cinematographer K. Ezhil Arasu, who shot his visually intriguing forest scenes. Music is by the energetic Sai Abhyankkar himself who have already got fans in a state of anticipation. As a team, the tech group strives for an action-packed film experience, one that’s emotional and delivers big stories.
Story Highlights and Plot
The official plot of OM is still largely shrouded in mystery, but enough has been revealed to indicate an ultra-violent action-thriller set in a forest war. The tale reportedly starts with a group of tamil woodcutters who find themselves in a compromising position with law enforcement and a series of events leads Dhanush’s character into a much bigger fight.
Dhanush’s character, Sekar, seems like a brave man willing to fight against some strong powers for some helpless people! The film is not a typical action movie, but rather a more complex story that appears to be about survival, justice, and emotion, and the forest is not only a physical battleground but also a symbolic one.
Mammootty as Burma Karthikeyan, an international smuggler, is one of the greatest attractions of the film, indicating that the tale is not confined to a local feud, but a criminal web of interconnectedness. Initial promotional images reveal that his character will be a key player in the narrative and will bring added mystery and tension to the story.
It’s a tale of blood wood, Udhiram, and it’s just the beginning of a bigger story, as suggested by the title “Chapter 1 – Udhiram: The Blood Wood”. Though the producers haven’t signaled anything really big, the early promotional footage gestures towards a tale of big stakes, emotional, even emotional melodramatic set pieces, and some pretty ambitious cinematography set in some rough forest terrain.
OM Movie Budget
Film OM – Chapter 1: Udhiram: The Blood Wood, helmed by Rajkumar Periasamy and starring Dhanush is reportedly being shot on a budget of Rs 150 crore to Rs 200 crore. This figure comes out to be one of the highest production costs in Dhanush’s career, due to its lofty production value, ensemble cast, and aspirations for theatrical release. But the production budget hasn’t been officially announced. So the numbers being reported in entertainment stories and social media should be considered only as a best guess, not a true and accurate financial report.
Final Thoughts
The Blood Wood is a play about Udhiram, from which all the elements of a great theatrical event have been gathered, and it is such a fascinating play. Their unique capability to command the screen, the huge popularity of Mammootty, Sai Pallavi among fans and the legendary storytelling skills of Rajkumar Periasamy has created immense buzz about the film even before its release. With its promise of captivating action, emotional resonance, and franchise potential, the film could emerge as one of the most memorable Tamil movies of 2026. The official release date for OM is set for 20 November 2026 and it looks like it’s going to be one of the biggest movie releases of the year.
Source: Click Here