Edmundo "Eddie" Diaz is firefighter at the 118 in Los Angeles. Originally from Texas, Eddie was a combat medic in the United States army, and moved to Los Angeles with his son, Christopher, after being discharged. 

Eddie Diaz is played by Ryan Guzman. 

Show Comments

9-1-1 Quotes

Maddie: I guess I just want my little girl to have a normal family. You know, uncles and grandparents that she might actually know.
Buck: Well then maybe you shoulda got knocked up by a guy who has one of those.

Eddie: You're a badass under pressure, brother.
Buck: Me?
Eddie: Hell yeah. You can have my back any day.
Buck: Yeah. Or, you know, you could have mine.
Eddie: Deal.