Sean Harmon is an American actor who is the son of actors Mark Harmon and Pam Dawber. In addition to his role in the film Dumb and Dumber To, he has been featured in such television series as Major Crimes, CSI: NY, and NCIS: Los Angeles, in addition to his frequent appearances on NCIS, where he portrayed a younger version of his father Mark's character, Leroy Jethro Gibbs.
Sean Harmon can be seen using the following weapons in the following television series:
|Beretta 92FS||Charlie Connors||NCIS: Los Angeles||"Rage" (S6E20)||2015|
|Beretta 92FS||Felix Koster||Major Crimes||"Open Line" (S4E03)||2015|