Dorian Missick Dorian Missick

Dorian Missick is joining Southland as the new partner of Det. Lydia Adams (Regina King), a show rep confirms.

Missick, 35, will recur as Ruben Robinson, a tough but intelligent and thoughtful detective trainee who is "smitten" with Lydia and eager to learn from her, according to the casting call for the role. A married father of three, Ruben joins the LAPD after serving tours of duty in both Iraq and Afghanistan.

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Missick is best known for his roles in Two Weeks Notice and last year's short-lived series The Cape. His casting was first reported by Deadline.

Southland returns for Season 4 on Tuesday, Jan. 17 at 10/9c.