Actor J.K. Simmons has signed on to the cast of the upcoming film "Patriots Day."

The movie is based on the events surrounding the Boston Marathon bombings. 

Simmons will play Sergeant Jeffrey Pugliese of the Watertown Police Department. 

The sergeant played a key role during the fire fight with the Tsarnaev brothers in Watertown. 

The film will also star Dorchester native Mark Wahlberg, who will play a Boston police officer. 

Production is set to begin next month. 

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