"Padre Sandunguero" is Puerto Rican Spanish for "Mischievous/Playful Dad". In Spain it would mean "Charming/Graceful".
Javier Arenas calls the evil eye "Mal'occhio" but this is Italian. If he's also Cuban or Puerto Rican and spanish-speaking (like Barba and Amaro's family) he would have said "Mal de Ojo"
J. Bernard Calloway (EMT Himes) previously played the role of a guard in episode 4.13, Rotten (2003).
The Spanish Nick speaks to Gabriella when she's being stretchered out amounts to nothing more than confirming Nicolas is his father, saying that's not important, and that all they want is to help her.