Executive producer Greg Nicotero plays one of the walkers in the alley scene with Nicolas and Glenn, right in front of the dumpster. This is his 5th appearance as a walker in the series.
There were 140 walker extras on set for the alley scene with Nicholas and Glenn.
This is the first episode the new character Scott is featured prominently. He is played by Kenric Green. He is married to Sonequa Martin-Green who plays Sasha.
The events of this episode occur concurrently with the events of the previous two episodes 'First Time Again (2015) and JSS (2015).
This episode used 300+ walker-extras. Adding these to the 1000 extras used in the season premiere, this season has already used more walkers than any other season, with 1300+ walkers.