Chris O'Donnell and Monet Mazur

Monet Mazur is joining the cast of NCIS: Los Angeles as a love interest for Chris O'Donnell, EW reports.

Mazur (40 Days and 40 Nights) will play Natalie Buccola, a confident secret service agent who's taken with O'Donnell's Callen.

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The role is potentially recurring, according to EW, and she'll make her first appearance on the NCIS spinoff in episode 6.