Muscle is a fictional character portrayed by Adam Dunnells in the TV series NCIS: Los Angeles.
In the first episode they appeared in, titled Hail Mary (season 11), they were 39 years old.
They appear in 1 episodes out of a total of 323 aired
Episodes1
Hail Mary
episode S11.E3 october 2019Callen and Sam run protection detail for retired Navy Adm. Kilbride in an operation to locate a missing naval intelligence officer.