Jessica Alba's series LA Finest is getting ready to return next year.

So the actress, 38, was hard at work on Monday when she was seen filming an action

The mother-of-three was in full character, grimacing before she pulled a gun from her waistband as cameras rolled.

Jessica Alba looked tough while on the set of her show LA's Finest on Monday in Downtown LA.

Still, her look had a feminine touch courtesy of some earring and some well-defined contour.