Gilang (Jourdy Pranata) has spent over a decade in the acting world, yet his career has never taken off, he remains a mere background actor. His deep passion for acting often leads him to over-improvise during scenes, frustrating directors and earning him the nickname “The Ultimate Actor.” One day, during a film shoot, a kidnapping occurs involving Gilang, award-winning actress Rachel (Beby Tsabina), popular actor Kevin (Kenny Austin), and the strict director Tegas (Kevin Julio). As they attempt to escape, Gilang’s spontaneous improvisations unexpectedly help them survive.

Adapted from the bestselling 2024 novel of the same name by Adhitya Mulya, director Ody Harahap blends comedy with thrilling action sequences in The Ultimate Actor. The film humorously portrays the struggle, pride, and persistence of those working behind the spotlight in the film industry. The Indonesian Film Censorship Institution (LSF) has classified this film for audiences aged 13 and above (tal).