The fictional character of "Lola Calvo" is loosely based off of real life singer, La Lupe.
In the second episode, when Pedro and the other guy was making a bet to see if he can score a girl, the guy gave him a five dollar American bill. It was actually supposed to be five dollar in Cuban pesos.
Celia Cruz was born in Havana, Cuba.
When "Pedro Knight" is walking to the bar at the beginning, obviously in Old San Juan, where it was filmed, there's a gay flag hanging on the second floor balcony.
When Gamita stabs the Barbudo the right side of his shirt has blood on it, once he is on the train the blood is gone.