Marco Lopez (who later played Station 51's Fireman Marco López) was one of the FF-PM trainees who graduated with Roy and Johnny at the Rampart Hospital twelve- week training. At the graduation, he stood at the far left of the line of graduates.
Paramedic Roy DeSoto:
What'd you say that I said that you said?
Fireman Chet Kelly: That your partner here is a nut.
Paramedic John Gage: Aha! aha, aha.
Paramedic Roy DeSoto: What about it?
Paramedic John Gage: You admit it?
Paramedic Roy DeSoto: That you're some kind of nut? Yeah, I said it, so what? You're a nut, but you're a friendly kind of nut.
Paramedic John Gage: Oh, that's a heck of a thing to...
During his recurring role, the character Officer Vince (played by Vince Howard) changed from being a sheriffs deputy with the Los Angeles County Sheriffs to a police officer of a generic police department. This happened after Jack Webb had an argument with the sheriffs department and Webb decided to change Vince to a generic police department.
"Emergency!" is filmed with the cooperation of: The Board of Supervisors The Fire Department The Department of Health Services of Los Angeles County