The walkers that were hanged at the club were country club members that were killed by the staff in a class struggle. They were not dummies but stunt performers carefully hanging from harnesses.
When Beth (Emily Kinney) is attempting to guess Daryl's job before the outbreak she guesses motorcycle mechanic which is what Norman Reedus did before he began acting.
This is the only episode not to feature any guest actors.
This episode contains the fewest number of actors, with just Norman Reedus and Emily Kinney appearing.