April 18 (UPI) -- 9-1-1 star Peter Krause is opening up about his character's death in Thursday's episode of the show. Krause, who is also known for his roles in such shows as Parenthood and Six Feet Under , portrayed L.A. Fire Capt. Bobby Nash, who helmed Station 118, on the ABC first responders drama. Nash was the first character to be killed off 9-1-1 in its eight seasons, according to The Hollywood Reporter. Thursday's episode, titled "Lab Rats," saw Nash sacrifice himself to save his crew