Rami Malek & Denzel Washington Film Scenes for 'Little Things' in LA

Rami Malek and Denzel Washington are hard at work.

The 38-year-old Mr. Robot actor and the 64-year-old Training Day star were spotted filming an undercover stakeout scene for Little Things on Monday (October 28) in Los Angeles.

PHOTOS: Check out the latest pics of Rami Malek

The film follows two cops who track down a serial killer and is being directed by John Lee Hancock. Jared Leto and Sofia Vassilieva are also set to star.

READ MORE: Rami Malek Kissed Daniel Craig on ‘James Bond’ Set & Tells the Story of What Happened!