Marty DeeksPlayed by: Eric Christian Olsen
Marty Deeks is a central character on NCIS: Los Angeles.
A Los Angeles PD detective, he was first introduced in the first season during an undercover operation in which he squared off with Sam in a boxing match.
He then became an LAPD liaison to NCIS in the second season, partnering with Kensi Blye and becoming a de facto part of the team ever since.
Kensi: Yeah. You?
Deeks: I'm good if you're good.
Kensi: I'm good.
Deeks: Okay. That's good. We're good. Which is, you know, great.
Kensi: I'm glad we cleared that up. See ya tomorrow.