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Callen, G is the twenty-fourth and final episode of the first season of NCIS: Los Angeles.


The race to stop a brutal and murderous cabal who are hellbent on launching a deadly nuclear war in the Middle East becomes Callen's most and personal dangerous mission yet as he seeks to find the woman who may hold the answers to his true identity.

Major EventsEdit

  • Callen finds evidence suggesting that he has a sister named Amy.
  • It's revealed that Trent Kort and Callen know each other, having worked together in the past.
  • Callen later discovers that his "sister" is in fact a woman named Hannah Lawson and the real Amy had drowned in an accident when she was eleven years old.

Production NotesEdit

  • This episode marks the first and only appearance of David Dayan Fisher in the role of Trent Kort on NCIS: Los Angeles.
  • This is also the last episode to have Peter Cambor listed as one of the main cast members. In all future appearances, he would be credited as a Special Guest Star.


Series RegularsEdit

Actor/Actress Character Role
Chris O'Donnell G. Callen Special Agent
LL Cool J Sam Hanna Special Agent
Linda Hunt Henrietta Lange Operations Manager
Peter Cambor Nate Getz Operational Psychologist
Daniela Ruah Kensi Blye Special Agent
Barrett Foa Eric Beale Tech Operator

Other CastEdit

Actor/Actress Character Role
David Dayan Fisher Trent Kort CIA Agent
Jacqueline McKenzie Amy Taylor
Eli Danker Karim Akbari
Nancy Linehan Charles Jessica Haymes
Charlie O'Donnell Young Callen
Lily O'Donnell Young Amy
Sarah Batsheva Graham Adoptive Mother


  • It is interesting to point out that during Callen's visit to Amy's foster home,
    Photo wall duplicates

    A highlighted image of some photos used more than once.

    when he stares at the wall containing the photos of the children who have lived at this home, a lot of the photos are used two or three times.
  • Charlie O'Donnell and Lily O'Donnell are the children of series regular Chris O'Donnell (G. Callen).