when did eric christian olsen join ncis la
Eric Christian Olsen Olsen portrays Detective Marty Deeks on the CBS show NCIS: Los Angeles. His character appeared in two episodes of season one before joining the cast as a series regular in the second season.[8]
Timothy McGee Murray appeared as a guest star in eight episodes of the first season of NCIS; in season two he joined the main cast and was added to the opening credits.
Travis Van Winkle Travis Scott Van Winkle[1] (born November 4, 1982) is an American actor.[2]
Greg Rikaart Gregory Andrew "Greg" Rikaart (born February 26, 1977)[1] is an American actor.