NCIS: Los Angeles season 1

The first season was produced by CBS Television Studios and Shane Brennan Productions and aired on the CBS network. The series was created by Shane Brennan as a spin-off from NCIS, which was created by Donald P. Bellisario. Brennan and R. Scott Gemmill served as executive producers. The writers were Brennan, Gemmill, Dave Kalstein, Gil Grant, Speed Weed, Lindsay Sturman, Tim Clemente, Joseph C. Wilson, and Matt Pyken. Brennan served as the season's showrunner. == Cast and characters ==

Main Recurring Guest appearances == Overview ==

The first season had 7 actors get star billing. Chris O'Donnell portrayed G. Callen, an NCIS Special Agent in charge of the Office of Special Projects team in Los Angeles. Though his friends call him "G" he does not know what his first name is. LL Cool J portrays Sam Hanna, a former Navy SEAL working as a Senior NCIS agent. After his character disappeared in the episode "Missing" he was changed to a guest star. He was written out of the show in the episode "Found" when Dom was fatally wounded while trying to escape from his kidnappers. Peter Cambor portrayed Dr. Nathaniel "Nate" Getz, the operational psychologist working with NCIS observing surveillance tapes and watching or conducting interrogations in order to create psychological profiles of suspects. Nate briefly expressed interest in doing field work but was dissuaded by everyone on the team. Barrett Foa portrayed Eric Beale, the technical operator for the OSP who serves as the primary contact both for agents in the field and with Director Leon Vance. Foa was changed from guest starring to a starring role as of the thirteenth episode of the season. Linda Hunt portrayed Henrietta "Hetty" Lange, the Operations Manager at NCIS in Los Angeles. She guest-starred in the first episode before being upgraded as a series regular the following episode. Rocky Carroll had a recurring role as Leon Vance, the Director of NCIS. Brian Avers appeared in three episodes as Special Agent Mike Renko; Pauley Perrette appeared in two episodes as Abby Sciuto, the forensic specialist at NCIS headquarters. Eric Christian Olsen guest starred in two episodes as Marty Deeks, the NCIS / LAPD Liaison Officer. ==Episodes==

Critic reception NCIS: Los Angeles first season received mixed-to-positive reviews from television critics. On Rotten Tomatoes, the season holds a 70% approval rating based on 30 reviews, with an average rating of 5.4/10. The site's critic consensus reads: "Much like the original, NCIS: Los Angeles employs high-tech gadgetry, likeable characters, and tight pacing, with similarly successful results." Awards and nominations Ratings The series premiere episode, "Identity", drew approximately 18.73 million viewers with a 4.4/11 share in the 18- to 49-year-old demographic and therefore won its timeslot. It was the second most watched show of the week, behind the seventh season premiere of sister show NCIS which accumulated 20.61 million viewers. However, ratings were down from the ninth season premiere of CSI: Crime Scene Investigation, but was higher than the series premiere of The Mentalist, which occupied the same timeslot the previous year. The season finale, "Callen, G." was watched by 13.1 million viewers. For its first season, NCIS: Los Angeles was the 9th most watched new series on CBS with a total of 16.08 million viewers. ==Home video release==