According to creator/writer Graham Yost, Trixie's backstory includes history with Limehouse, who gave shelter to her mother years before.
Timothy Olyphant (Raylan) and Maggie Lawson (Layla) later starred together in Santa Clarita Diet (2017).
Quarles asks for a shot of Pappy Van Winkle bourbon. In a previous episode, the bottle was shown but the character referred to it as Piper Van Winkle.
Although it was at separate times, Clayne Crawford and Maggie Lawson both had roles in the T.V. show Lethal Weapon.