Jimmy Smits Jimmy Smits

Jimmy Smits has signed on to NBC's S.I.L.A., TVGuide.com has learned.

Special Investigations L.A. looks at Los Angeles through multiple perspectives, including law enforcement, the justice system, city hall and the criminal underworld.

Smits, 55, will play Alfonso Morales, the ambitious Los Angeles mayor who created the Special Investigations Unit.

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Madchen Amick, Noah Emmerich, Daniella Alonso, Danny Pino, Luis Chavez and Matthew Levy will also star.

The project comes from Traffic screenwriter Stephen Gaghan.

Smits, who recently starred in NBC's short-lived drama Outlaw, has appeared in such series as The West Wing, NYPD Blue and Dexter.