Thecuy.com – Derby Romero adopts a fresh look, departing from his usual persona, in the movie Serangan Balik. The 1990‑born actor takes on the role of Bastian, a psychopathic figure with a convoluted and unpredictable personality. This performance marks a dramatic shift from the wholesome character he has been known for.
The film, directed by Sidharta Tata, premiered worldwide on Netflix on November 12. During a press conference held at Gandaria City, South Jakarta, on Wednesday (11/11/2026), Derby said the character of Bastian was built upon a solid basis.
Portrayed as Ulo’s younger brother, who is played by Donny Alamsyah, Bastian has an eerie, unsettling voice. He can speak in a high pitch, his legs constantly tremble, and he occasionally sheds tears when enraged. His dark obsessions include a twisted desire to kill and a habit of collecting victims’ belongings as mementos.
According to Derby, Bastian developed a desperate need for validation after growing up in his brother’s shadow. “In short, Bastian is someone who seeks attention from his brother. He requires validation and recognition because he lives in his brother’s shadow. That’s why his psychopathic nature came into being,” Derby explained at the press conference.
Derby confirmed that Bastian’s signature movements were designed to reflect his anxiety. “That’s why he has those movements; they represent his anxiety. Bastian is a loose cannon. But in this version, I think Tata has toned him down quite a bit,” he added.
Bastian’s habit of keeping victims’ items as souvenirs is known in forensic psychology as trophy‑collecting behavior. This is based on a scientific journal by Meghann R. Sutton from Murdoch University (2021). Her research shows that trophy‑taking among killers is closely linked to fantasies and sexual arousal. The collected items serve as a source of satisfaction that can either lessen or intensify the killer’s craving.
Set in a small village in Central Java, Serangan Balik follows three generations as they rebuild trust amid grief and past traumas. Blending intense action, cleverness, and family dynamics, the film marks Sidharta Tata’s debut collaboration with producers Kimo Stamboel and Edwin Nazir. In addition to Derby Romero and Donny Alamsyah, the cast includes Lukman Sardi, Callista Arum, and Sulthan Hamonangan.
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