The keyword term "patriots day cast asian guy" functions grammatically as a noun phrase. In this context, "patriots day" and "cast" act as nouns used adjectivally to modify the core noun "guy," which is further described by the adjective "asian." The entire phrase operates as a single unit to identify a specific person.
This phrase refers to the actor Jimmy O. Yang, who portrayed the character of Dun Meng in the 2016 film Patriots Day. Dun Meng is the real-life Chinese national who was carjacked by the Boston Marathon bombers, Tamerlan and Dzhokhar Tsarnaev. Meng's escape from the vehicle and his subsequent call to the police were critical in helping law enforcement track the suspects, leading directly to their confrontation in Watertown, Massachusetts.
The use of this descriptive phrase as a search query illustrates a common method by which audiences seek to identify actors whose names they do not know. It pinpoints a specific and memorable performance central to the film's narrative. Jimmy O. Yang's portrayal of Dun Meng was widely noted for capturing the terror and bravery of a civilian caught in a historic manhunt, making his role a standout element of the ensemble cast.