<Tr> <Th_colspan="2"> External links </Th> </Tr> <Tr> <Th> Website </Th> <Td> www.fox.com/lethal-weapon </Td> </Tr> <P> Lethal Weapon is an American buddy cop action comedy - drama television series that is based on the film series of the same name created by Shane Black . The series was ordered on May 10, 2016 and premiered on Fox on September 21, 2016 . On October 12, 2016, Fox picked up the series for a full season of 18 episodes . On February 22, 2017, Fox renewed the series for a second season, which premiered on September 26, 2017 . </P> <Ul> <Li> Damon Wayans as Roger Murtaugh, a senior Los Angeles Police Department Detective who returns to the force after recovering from a heart attack and is partnered with Texas transfer Martin Riggs . He is married with three children (two teenagers and a toddler). He is a native of Inglewood, California, and currently resides in Sherman Oaks . He carries a Heckler & Koch USP as his duty weapon, in early episodes, and later switches to a Glock . He was originally played by Danny Glover in the film series . </Li> <Li> Clayne Crawford as Martin Riggs, a Navy SEAL - turned - police officer from El Paso, Texas . He moves to Los Angeles after the death of his wife and unborn child, transferring from the El Paso County Sheriff's Office to the LAPD's Robbery - Homicide Division . Riggs lives in a trailer on the beach, drives a 1977 Ford F - 350, and his weapon of choice is the Beretta 92F . He was originally played by Mel Gibson in the film series . </Li> <Li> Jordana Brewster as Dr. Maureen Cahill, the police department's psychologist who treats Det . Riggs (and occasionally Det . Murtaugh). The character is based on Dr. Stephanie Woods played by Mary Ellen Trainor in the film series . </Li> <Li> Keesha Sharp as Trish Murtaugh, Det . Murtaugh's loving wife and mother of his three children who works as a defense attorney . In the season one episode "As Good As It Getz", Trish quits her job after being passed over for managing partner at her law firm . She was originally played by Darlene Love in the film series . </Li> <Li> Kevin Rahm as Captain Brooks Avery, the Commanding Officer of Robbery - Homicide Division . Before his promotion, Capt . Avery was partners with Det . Murtaugh . In "Lawmen", it is revealed that years ago he and a Los Angeles County Sheriff's Department deputy (Malcolm - Jamal Warner) planted evidence to convict a murderer after previous evidence was excluded from trial; he was prepared to resign over the incident when it came to light, but Murtaugh convinced him to stay because if his impropriety was revealed it would mean that all of Avery's cases (many of which he worked with Murtaugh) would be reviewed if not overturned entirely . The character is based on Captain Ed Murphy played by Steve Kahan in the film series . </Li> <Li> Johnathan Fernandez as Bernard "Scorsese", a medical examiner, forensic scientist and aspiring screenwriter who works alongside Dets . Murtaugh and Riggs . </Li> <Li> Michelle Mitchenor as Detective Sonya Bailey, a fellow detective with Robbery - Homicide Division . She is partnered with Det . Alex Cruz during the first season and Det . Zach Bowman during the second season . </Li> <Li> Chandler Kinney as Riana Murtaugh, Det . Murtaugh's teenage daughter . The character is based on Rianne Murtaugh, played by Traci Wolfe in the film series . </Li> <Li> Dante Brown as Roger "RJ" Murtaugh Jr., Det . Murtaugh's teenage son . The character is based on Nick Murtaugh, played by Damon Hines in the film series . </Li> </Ul>

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