This is G. Callen. He's a legend at NCIS, played by Chris O'Donnell. Don't get on his bad side.
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LL Cool J as Sam Hanna in "Full Throttle," from the first season of NCIS: Los Angeles. An undercover street racing ring is about to get busted up!
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Special Agent Sam Hanna in "Full Throttle," the 17th NCIS: Los Angeles episode of the show's debut season. What will he and G. be up to this week?
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Kensi Blye in "Full Throttle," the March 9 episode of NCIS: Los Angeles. This agent has come into her own this season.
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Callen gets down to business on NCIS: Los Angeles. What do you suppose our favorite undercover agent is up to this week?
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Callen goes to traffic school in "Full Throttle." But you know G. He's always up to something.
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Sam learns that a set of car keys is actually a cloning device programmed to rip data from computers. But the Chinese spy did not use it.
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G. Callen and Sam Hanna do their usual thing. Argue like married spouses.
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A photo of LL Cool J as Sam Hanna in "The Bank Job," the February 9, 2010 episode of NCIS: Los Angeles. Will the team lose another agent?
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Rumor has it Kensi gets shot on the new episode of NCIS: Los Angeles. This would be another shocking development.
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Sam Hanna does not mess around. Mess with this NCIS: Los Angeles agent at your peril!
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Kensi is on the hunt for the terrorist in "LD50." Fortunately, she got to him just in time.
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NCIS: Los Angeles Quotes

Deeks: You got my back?
Kensi: Always.

Kensi: She's out.
Callen: Welcome back.