The term "actors in patriots day" is a noun phrase. The main point and grammatical head of this phrase is the plural noun "actors." The subsequent prepositional phrase, "in Patriots Day," functions as an adjectival modifier, specifying the particular group of performers being referenced: those who appeared in the film titled Patriots Day.
The 2016 film features a large ensemble cast portraying key figures from the 2013 Boston Marathon bombing. Mark Wahlberg stars as Police Sergeant Tommy Saunders, a composite character representing various law enforcement officers. Other principal cast members include Kevin Bacon as FBI Special Agent Richard DesLauriers, John Goodman as Boston Police Commissioner Ed Davis, J.K. Simmons as Watertown Police Sergeant Jeffrey Pugliese, and Michelle Monaghan as Carol Saunders, a nurse and the wife of Wahlberg's character.
The use of this ensemble cast was a deliberate narrative choice to depict the wide-ranging, collaborative response to the crisis. By featuring numerous recognizable performers in roles representing law enforcement, government officials, and civilians, the film illustrates the event from multiple viewpoints. This technique emphasizes the community-wide effort involved in the manhunt and the resilience of the city, grounding the dramatic retelling in the authentic, collective experience of the historical event.